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An Economic Analysis of Poverty and Demand for Cigarettes in Bulgaria by Özgen Saygınsoy Ayda A. Yürekli Joy A. De Beyer World Bank, Washington DC Chicago 2000
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INTRODUCTION Tripled cigarette consumption since 1965. 45% of HHs are smokers, of which: 14% from HI group, 15% from Upper MI group, 16% from Low & Lower MI group; BUT HI and UMI HHs consume more per capita in comparison to LI& LMI HHs. –Each group consumes 1/3 of total market sales. Adult Prevalence (1995): 50% M, 25% F Youth Prevalence (1999): 40%[ HS students]
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OBJECTIVE We are at the first step of a multi-step Project. Current work: Estimate price and income elasticities of cigarettes in Bulgaria, by income groups. Distribution of Sample: 42% Low and Lower-MI 32% Upper-MI 26% HI
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DATA LSMS Household Survey on Bulgaria (1995). –Monthly data –Household level –Individual level by HH. World Bank & IMF cigarette tax data. Market File--price data of cigarettes by brand, length, packaging, etc.
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THE MODEL Two Stage Least Squares Two Stage Least Squares: 1 st Step 1 st Step: log(PRICE) = 0 + 1 log(TAX) + 2 LENGTH + 3 PAPER + 4 log(INCOME) + 5 AGE + 6 EDUCATION + 7 ALCOHOL + 8 MALERATIO + 9 MARRPROB + 2 nd Step 2 nd Step: CONS = 0 + 1 log (PRICE) + 2 log (INCOME) + 3 AGE + 4 EDUCATION + 5 ALCOHOL+ 6 MALERATIO + 7 MARRPROB +
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THE MODEL Two Stage Least Squares Two Stage Least Squares: 1 st Step 1 st Step: log(PRICE) = f ( log (TAX), LENGTH, PAPER, log(INCOME), AGE, EDUCATION, ALCOHOL, MALERATIO, MARRPROB, 2 nd Step 2 nd Step: Consumption=f ( log (Est. PRICE), log(INCOME), AGE, EDUCATION, ALCOHOL, MALERATIO, MARRPROB)
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Two-Stage Least Squares Regression Results Income GroupsLow and Lower- Middle N = 948 Upper-Middle N = 721 High N = 590 Overall N = 2259 Indep. Variab.Coeff.Coeff Log(Price) -4.71-5.36-3.54-3.97 Log(Income) 0.572.700.491.66 Age -0.09-0.12-0.16-0.19 EDU -0.04-0.21-0.19-0.13 Alchol Con. 2.722.574.313.20 Male 2.866.317.235.29 Marriage Probl. 0.410.931.150.83 Constant 16.403.8017.747.32 Price Elasticity-1.33-1.01-0.52-0.80 Income ElasticityInsignif. 0.34
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FUTURE RESEARCH Simulate the impact of changes in cigarette excise taxes on welfare, consumption and government’s cigarette-related tax revenues, Explore the distributional impact and leverage of additional tax revenues by income groups.
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