Republic of Albania Institute of Statistics
RESEARCH JOURNAL OF STATISTICS AND SOCIO-ECONOMIC ANALYSES INSTAT EDITORS EDITOR IN CHIEF Dr. Elsa Dhuli, Institute of Statistics
EDITORIAL BOARD 1. Alban Çela, Drejtoria e Përgjithshme e Tatimeve 2. Alma Kondi, Instituti i Statistikave 3. Altin Xhikneli, Instituti i Statistikave 4. Blerina Subashi, IDRA 5. Ermir Liço, Instituti i Statistikave 6. Helda Curma, Instituti i Statistikave
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INSTITUTI I STATISTIKAVE Rr. Vllazën Huta, Ndërtesa 35, Hyrja 1, Tiranë, Kodi Postar 1017 e-mail: [email protected] Tel: +(355) 42222411 CONTENT SCIENTIFIC ARTICLES
5. ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA Aida Gjika, University of Tirana and CERGE – EI Edvin Zhllima, Agricultural University of Tirana and CERGE – EI Anisa Omuri, Institute of Statistics of Albania
13. REMITTANCES AND THEIR EFFECT ON THE UNWILLINGNESS TO WORK IN ALBANIA Dorela Beqaj
21. SUSTAINABILITY OF PUBLIC DEBT THE CASE OF ALBANIA Elma Çali, Institute of Statistics Sokrat Palushi, Institute of Statistics
INFORMATIVE ARTICLES
29. HOMICIDES STATISTICS IN ALBANIA Albana Berbiu, Institute of Statistics Ornela Xhembulla, General Prosecution Blerina Mmetanj (Subashi), Institute of Statistics
39. CONSUMER PRICES IN ALBANIA Hazbi Bunguri, Institute os Statistics Ilirjana Kraja, Institute os Statistics Jesmina Shahini, Institute os Statistics
49. SUSTAINABLE DEVELOPMENT GOALS CHALLENGES IN IMPLEMENTING AGENDA 2030 Vjollca Simoni, Institute of Statistics
57. CRIME STATISTICS AND INTERNATIONAL STANDARTS Denis Kristo, Institute of Statistics MSc. Marco Kule, Ministry of Agriculture and Rural Development
3
ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
Aida Gjika, University of Tirana and CERGE – EI [email protected]
Edvin Zhllima, Agricultural University of Tirana and CERGE – EI [email protected]
Anisa Omuri, Institute of Statistics of Albania [email protected]
Abstract
The determinants of consumer demand are extensively pooled cross-section data for the time span 2014-2017. investigated on empirical ground. The investigation Following the Deaton’s (1988) demand model and of products subject to excise has been only recently employing cross-sectional household survey data, this investigated on developed countries and at a lesser article estimated the price elasticity for luxury goods extent on developing or transition countries. One of the demand, which to the best of our knowledge this is the most widely used policies in improving budget revenues first empirical research conducted in Albania with all is the use of excise taxation, which is expected to be used these products. More precisely, this research estimates in certain type of products such as alcoholics, coffee an Almost Ideal Demand System (AIDS), which allows and tobacco. The existing evidence from countries at all disentangling quality choice from exogenous price economic stages suggest that excise increase on tobacco variations through the use of unit values from luxury are effective if elasticity of demand is recorded. Despite goods consumption. In terms of the control variables, the frequent changes of excise regime in Albania, there we expect that the total expenditure, household size, is a lack of empirical research on the price elasticity of male to female ratio and adult ratio are important luxury products. determinants of luxury goods demand in Albania. Accordingly, motivated by the need to investigate the demand of luxury products in Albania, from which policies can be better tailored, and the scarcity of empirical studies, this article is based on extensive research including econometrical analysis of both aggregate macro data and household level data. This Keywords: article uses the Household Budget Survey (HBS) as a Elasticity of demand; Deaton model; Microdata
5 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
1. INTRODUCTION Despite the concerns related to alcohol consumption in Albania, there is a gap of research on factors determining alcohol consumption in general, and for beer specifically, Whilst literature review has extensively the determinants of which is relevant not only for the industry but also for demand for a certain product, it is somehow neglected the policy-makers. The objective of this paper is to estimate focus on the products subject to excise. With the exception demand elasticity for beer and provide evidences for of tobacco, other products, such as alcoholic drinks, coffee, type of elasticity coefficient, grouped by type of beer wine and energy drinks remain under investigated from an as well as income. A highly inelastic or elastic demand empirical ground. While all these goods are important to for beer might bring important implications for alcohol be studied in the context of Albania, this article will focus related fiscal policy in Albania. Efficient policies, aiming on beers, as being subject to excise tax and associated at reducing alcohol consumption, should be based on with negative health effects. In general, the effects of evidence – thus, proper understanding of consumer alcohol consumption are highlighted by many research demand elasticity for beer can orient efficient fiscal papers, but not its demand characteristics. Excessive policies. alcohol consumption is associated to increased risk of liver cirrhosis, cardiovascular and other diseases ((Rehm, et al., 2003; 2004) [30], [31]). Consequently, alcohol consumption and its consequences represent a major social and policy concern in countries characterized by high level of alcohol 2. LITERATURE REVIEW AND consumption. COUNTRY BACKGROUND Central and Eastern Europe (CEE) countries have reported Beer industry is one of the oldest industries in Albania. It the highest per capita alcohol consumption (Popova et has been established since the early 1900s concentrated al, 2007, [28]; Burazeri and Kark, 2010, [6]). This trend in Korça (situated in southeast Albania). During the central has been witnessed also in Albania (which is located in planning economy, the sector continued to expand with Southern Europe, but has a similar socio-economic path the investments made in 1960s and the establishment life as other post-communist CCE countries) where in the of Tirana beer factory. With the transition from the recent two decades is evidenced an increasing level of central planning to a market economy, in Albania were alcohol consumption (Burazeri and Kark, 2010, [6]). established more than 30 beer production units (MARD, 2016, [24]). High consumption of alcohol can be attributed to various factors. Swinnen and Colen (2014, [33]) show that the Recently, the number of beer producers has been relationship between income and beer consumption shrinking accompanied with an increase of the firm size. has an inverse U-shape trend. The international market In the recent years the beer industry is present with 14 openness, climatic conditions, religion and relative prices companies and a yearly turnover of more than 100 Mln are important factors which influence beer demand as well Euro per year. The dominant local beers are Tirana, Korça as share of beer in overall alcohol consumption (ibid). and Stela.
The literature provides wide evidences that prove that Overall, the investments value has increased over the excessive consumption of beverage alcohol, are effectively years, following the increasing market demand and a addressed by a variety of demand-reducing policies being preference toward domestic brands (Chan-Halbrendt those fiscal treatments in the form of taxes (Cawley and & Fantle-Lepczyk, 2013, [10]). The value of yearly Ruhm, 2012, [7]) or non-fiscal interventions such as investments has increased from 50 Mln Euro to 80 Mln restrictions, education campaigns, penalties etc. (Nelson, Euro in 2018. 2003, [27]). However there are factors influencing the The policy on excises in Albania has been largely driven by right effect of the fiscal tools such as those related to the protectionism lobbying, (the Albanian Association of Beer elasticity (or inelasticity) of demand for alcohol. There are Producers declaration at Dita, 2016, [14]). Since 2013, in evidences showing that the price elasticity of demand for Albania is applied a two level excise system. Factories that the alcohol consumers is high, even by heavy drinkers (Xu produce fewer than 200,000 hectoliters pay an excise tax and Chaloupka, 2011, [37]). However, other researchers of 14 ALL per liter, while those that produce above this in some cases, have collected evidences for an inelastic limit pay 32 ALL per liter – thus, the difference is huge. In demand for beer, especially by heavy users (Ayyagari et al. this way, domestic production is preserved from imports, 2011, [1]; Ruhm et al. 2012, [7]). which are dominated by well-established brands, namely
6 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
big producers1. However, imported beer in Albania is [13]) and been applied frequently to estimate demand for present in the market and especially beer from Kosovo various products including beer (Clements and Johnson, has benefited from low excise tax (eg. from producers 1983, [5]; Heien and Pompelli, 1989, [20]; Blake and who produce less than 200 thousand hectoliters). Nied, 1997, [3]; Toro-González et al., 2014, [34]). The same methodology has also been used by the authors to Alcohol consumption in Albania has been traditionally explore price elasticity of demand for tobacco in Albania dominated by Rakia (Chan et al, 2016, [9], Zhllima et al, (Rama et al., 2019, [29]). 2012, [36]). Rakia (brandy like Grapa), is widely used as a less expensive substitute to wine or beer, and is typically Most empirical studies have found that price elasticity produced by households (especially in rural areas) for coefficients are in line with the theory predictions. Thus, self-consumption. However, the increase in the level of price elasticity is found negative and cross-price elasticity income and change of the life style is shifting away the positive, both being small (see Gallet and List, 1998, [18]; consumption of Rakia to other substitutes, particularly wine Tremblay and Tremblay, 2005, [35]; Fogarty, 2010, [16]; (Skreli, Imami, 2019, [32]) - Rakia, is not as popular among Nelson, 2014, [26]). the young generation as wine or beer. Indeed, the supply (proxy for consumption) of beer in Albania, has increased by There are approximately 191 studies estimating the more than 8.0 % since 2012, as shown in table 1. price elasticity of demand for beer according to Nelson (2014, [26]). The author reported the meta-analysis of The beer supply per capita (which is widely used Gallet (2007), [19], Fogarty (2010, [16]), and his own as a proxy for consumption, reported in table 1) is meta-analysis results and found that unweighted average approximately 38 liters per capita per year, when all price elasticity coefficients are about -0.30 to -0.50 while population is considered, and more than 50 liters per unweighted income elasticity coefficients are less than capita per year, when adult population is considered. 0.50 for Gallet (2007, [19]) and between 0.50 to 0.70 During the recent decade, due to consumer preferences in Fogarty (2010, [16]) and Nelson (2014, [26]) findings. and behavior changes, there is observed an expansion of The author revealed an average price elasticity of beer is the brewery market. Indeed, the most expensive beers in -0.20, which is about 50.0 % less elastic than previously the market are imported reputable brands. Furthermore, reported values (ibid). Whereas, earlier to the 2009 certain types of beers, such as non-alcoholic beer (eg. review, Fogarty (2006, [15]) identified even higher price typically consumed by practicing Muslims) are exclusively elasticities based on a review from 46 studies. imported and not produced in Albania.
Table 1: Production and supply of beer in Albania (Ton) 3. METHODOLOGY
C 2012 2013 2014 2015 201 2017 In order to estimate the price and income elasticity for roduc�on 77,203 7 ,5 7 ,500 , 62 6,203 ,54 alcohol, this article uses the Household Budget Survey Im ort 23,644 22,035 ,7 6 , 5 22,3 0 20, 3 Ex ort 20 2 3 42 4 5 7 6 (HBS) for 2014. This survey is nationally representative u ly 00, 47 0 ,554 ,266 0 , 0 0 ,56 0 ,347 as it covers 6565 households across all regions
Source: FAOSTAT and UNCOMTRADE, 2019 (prefectures) in Albania. The theoretical basis of the model consists of estimating aggregate demand functions Alcohol including beer consumption is affected by several with unobservable product attributes as described by factors, primarily prices and income. Many studies have Berry (1994, [2]). The theory emphasizes the fact that analyzed the demand for beer (Freeman, 2001, [17]; consumers’ preferences are captured by an indirect Bray et al., 2009, [4], Toro-González et al, 2014, [34]), utility function that is a depended by observed and with special focus on the price and income elasticity for unobserved attributes of the product, as well as consumer alcohol from a microeconomic perspective. Similarly, socio-economic characteristics. More specifically, the the methodology adopted in this study is based on a Deaton’s (1988, [12]) model, also known as the Deaton quantitative approach in order to empirically estimate model, is a consumer behavior model, which instead of the price elasticity and income elasticity of alcohol prices uses unit values (the ratio of expenditure for a consumption. Accordingly, the authors opted for the certain good over its quantity consumed) as a proxy of the Deaton’s (1988, [12]) model which estimates an Almost former. This model estimates two equations as following: Ideal Demand System (AIDS). AIDS was introduced by (1) (1) Deaton and Muellbauer (1980, [11]) and Deaton (1997, (2) (2) 1. http://www.gazetadita.al/gjunjezimi-i-birres-made-in-albania/
7 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
Where, h and c denote the household and regional cluster, As displayed above, it seems that almost all households respectively. In Equation (1), the dependent variable w report consumption of coffee. More specifically, 26090 represents the budget share of household on alcohol in out 28748 households report such positive consumption. percentages, whereas v in Equation (2) denotes the unit In addition, consumption of other types of coffee seems values of alcohol. In terms of control variables, x, z and to be reported as well, though at a lesser extent. 7891 p represent the total expenditures of households, other households report that they consume instant coffee. On household characteristics and alcohol price, respectively. the other hand, around 14700 households do report as Lastly, and represent the error terms. well positive consumption of cigarettes, while only 7574 households report to consume cigars. After estimating the above equations, the Deaton model suggests the removal of the effect of control variables Moving to beer, as being the main focus of this article, as from the elasticity estimates from the first stage. displayed in Table 3, it should be noted that the signs of Consequently, the price elasticity and income elasticity the regression coefficients are as expected. The negative for beer are estimated. It is important to note that given coefficient sign supports the inverse association between the large variety of beers, this article estimated the above beer consumption and price, while being consistent elasticity subject to the type of beer. More concretely, across all specifications. The price elasticity of beer is given the HBS classification of beers, there are four usually lower than 1, indicating an inelastic demand of types of elasticity estimated: (i) type I of beer which beer. The coefficient size of the price elasticity of demand includes larger beer (beer1), (ii) types II of beer which for larger beer is similar to the findings of Nelson (2014, encompasses other alcoholic beer (beer2), (iii) type III of [26]), a coefficient value of -0.4 showing that a 10.0 % beer which denotes low- and non-alcoholic beers (beer3), increase of price of the beer will be accompanied with (iv) type IV of beer which denotes all other beer-based a 4.0 % decrease of the quantity of beer demanded. drinks (beer4). In addition, this study estimates both the However, the results are not significant due to low price and income elasticity for all types of beers, without number of observations. distinguishing between different types of beers (beer). The price elasticity of demand for other type of beers, A note of caution is in order when estimating the price except non-alcoholic beer and beer based drinks, is nearly and income elasticity of alcohol. Given that some families to -1 showing a slightly elastic demand. That means do not drink alcohol, their behaviour indeed is different that a 10.0 % increase of excise for beer would bring a to the ones that do drink (although the analysis covers nearly equal negative effect of beer consumption. This also non-alcoholic beers, which can be consumed by such result differs compared to findings from other countries category). Thus, when estimating the above elasticity, as referred by Gallet and List (1998, [18]); Tremblay and this article takes into account only families that report Tremblay (2005, [35]); Fogarty (2010, [16]) and Nelson positive quantity of alcohol in order not to distort (under/ (2014, [26]). Moreover, if all types of beer are considered over-estimate) the alcohol price and income elasticity. as one product, the elasticity of demand is very high, more than 2. That means that a 10.0 % increase of the 4. RESULTS price level, would reduce the beer demand with more than 20.0 %. Given the large number of observations for type II of beer (beer2)2, this article emphasizes more the Before interpreting the results of beer, some descriptive results from this type of beer than others. statistics are given in order to see the trends of consumption of other goods and their trends over time, Table 3: Price elasticity of demand and income elasticity as reported by HBS. Table 2 displays the descriptive of demand for beer by type of beer statistics. T N P �ci I �ci � Table 2: Descriptive Statistics of goods subject to excise arger eer ( eer 603 0 55 0 0 Other alcoholic eer ( eer2 2656 0 57 0 5 ow non alcoholic eer ( eer3 66 0 565 0 0 6 T N M Beer ased drinks ( eer4 265 0 0 0 35 � Any ty e of eer ( eer 33 2 75 363 Coffee 26,0 0 0 3 Instant Coffee 7, 0 0 Source: Authors elaboration Cigare�es 4,6 2 74 Note: Not significant-low number of observations Cigars 7,574 0
Source: Household Budget Survey
2. More details presented in Appendix A1.
8 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
The model finds income elasticity for larger beer positive, Albania is within the expected range in the literature. defining beer as a normal good. Income elasticity of However, the coefficient is much higher if all beers are demand is 0.016. That means that a 10.0 % increase of the considered together. Moreover, considering the low price consumers' incomes will increase the quantity demanded elasticity related to incomes, the results did confirm with 1.6 %. This is similar to the findings of Fogarty (2010, income is not a very important factor determining beer [16]) in terms of coefficient sign and on contrary to Gallet consumption. The results differ in case beers are not and List (1998, [18]). Moreover, the coefficient of income divided by type, bringing much attention to income elasticity of demand is very low compared to the averages effects on beer demand. collected by Fogarty (2010, [16]), between 0.35 and 0.90 for most countries observed. However the income Households with a higher level of expenditure spend a elasticity for beers taken together is 1.3 meaning that a lower share of their budget on alcohol while recording 10.0 % increase of incomes of the consumers, would be a high quantity of beer consumed, estimated in the HBS accompanied with a 13.0 % increase of the demand for as unit value. Moreover, for some type of beer, there are beer. The coefficient is too high compared to international significant higher budget share among households with evidences provided in the study of Nelson (2014, [26]). more men, higher means of education. A lower budget share spent on beer is revealed among households with In terms of control variables influencing the unit values high education level. and budget shares for alcohol, the estimated results from second stage regression vary across different types of The study findings have implications for the fiscal policy beers except the household’s total expenditures. More design. Indeed, the excise regime on beers has been concretely, the results suggest that across all type of based on several motives, frequently driven by lobbying beers (beer1, beer2, beer3, beer4 and beer), households forces to increase protectionism, rather than health or with a higher level of expenditure spend a lower share of budgetary concerns. There is a need to reconsider a tax their budget on alcohol, whereas unit values are higher policy based on elasticity evidences and discuss the main among these types of households. In addition, the results, tax policy options and rationale. Excise regime design although not consistent when moving across different should reflect consumer behaviour, namely consumer types of beer, suggest that budget share on alcohol is price elasticity – overall, there is space to increase excise, greater among households with more men, higher means especially for the beer categories which are characterized of education and lower among households with high by lower price elasticity, which might have positive health years of education (see Appendix A1). benefit as well as budgetary benefits.
The study has various limitations. The observations are 5. CONCLUSIONS based only on one-year and a future research will be extended to other years covered by HBS. The model has Empirical analysis conducted in this study explored the not observed for consumer behaviours thus not providing sensitivity of beer consumption to price and income the elasticity of demand for heavy drinkers (as done in changes in 2014 in Albania. More specifically, the Xu and Chaloupka, 2011, [37]). Moreover, the model objectives are related to estimating the price elasticity and does not control for cross-elasticity effect with other income elasticity of demand for beer and provide some types of alcoholic products. Substitute options may bring policy recommendation related to the responsiveness of additional and complementary evidences, which are of beer consumption to price and income changes. Using important interest for policymakers in the field of fiscal AIDS on annual data of HBS 2014-2017, the estimated and health policies. results suggest that the estimated price elasticity for
9 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
BIBLIOGRAPHY [1] Ayyagari, P., Deb, P., Fletcher, J., Gallo, W., Sindelar, J.L., 2011. Understanding heterogeneity in price elasticities in the demand for alcohol for older individuals. Health Economics 22, 89-105.
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11 ESTIMATION OF ELASTICITY OF DEMAND RELATED TO PRICE AND INCOMES FOR GOODS SUBJECT TO EXCISE WITH SPECIAL REFERENCE TO BEER - THE CASE OF ALBANIA
1. APPENDIX
A ummary ta�s�cs
. sum quantitymonthly_coffee quantitymonthly_coffee_instant quantitymonthly_cigarettes quantitymonthly_cigars quantitymonthly_tobacco
quantitymonthly_beer1
> quantitymonthly_beer2 quantitymonthly_beer3 quantitymonthly_beer4
Variable | Obs Mean Std. Dev. Min Max
------+------
quantitymo~e | 26,090 .83199 5.203184 0 685.014
quantitymo~t | 7,891 .1100564 4.829191 0 428
quantitym~es | 14,692 11.87436 13.45547 0 113.42
quantitym~rs | 7,574 .1116055 2.773894 0 192.6
quantitymo~o | 7,519 0 0 0 0
------+------
quantitymo~1 | 8,603 1.009295 3.026552 0 50.29 quantitymo~2 | 2,656 6.642396 5.93646 .535 56.282 quantitymo~3 | 8,661 1.084185 12.08793 0 1094.61 quantitymo~4 | 8,265 .6211308 2.228277 0 40.66