The Division for Development and Public Relations     SHLOMO  YITZHAKI,  SAM M. COHODAS PROFESSOR EMERITUS OF AGRICULTURAL ECONOMICS  Status : EMERITUS Birth place : BAGHDAD Office Phone: 02-588-3249 Fax: E-Mail: msruhama@mscc.huji.ac.il U.R.L: http://economics.huji.ac.il/facultye/yitzhaki/yitzhaki.html   Department Faculty   ECONOMICS FACULTY OF SOCIAL SCIENCES Dept. Description   Academic Degree   Institution Year Ph.D. HEBREW UNIV. 1976   Academic Position   Year EMERITUS 2008 PROFESSOR 1993 ASSOC. PROFESSOR 1990 SENIOR LECTURER 1982 LECTURER 1977   External Academic Positions Visiting Scholar, Harvard Univ., 1976-77 Research Economist, Nat'l Bureau of Economic Research, 1981- -82; Consultant, The World Bank, 1986 Director, Central Bureau of Statistics, since 2002.   Research Interests Public economics. Income distribution. Portfolio theory and decisions under risk.   Research Projects Constructing models for analyzing tax reforms. Poverty measurement. Econometric use of the Gini Mean Difference. The optimal size of a tax collection agency: (with J. Slemrod, Univ.   Selected Publications Publication Title   Year Dalton improving tax reform when households are heterogeneous. 1996 Dalton improving indirect tax reform. 1995 Equity, equality and welfare. 1995 Changing ranks and the inequality impacts of taxes and 1995 Calculating jackknife variance estimators for parameters of the 1991 Income stratification and income inequality. 1991 Welfare dominance: An application to commodity taxation. 1991 On the effects of subsidies to basic commodities on inequality 1990 On the sensitivity of a regression coefficient to monotonic 1990 Welfare dominance and the design of excise taxation in the Cote 1990 Evaluating the mean-Gini approach to portfolio selection. 1989   © All rights reserved to The Hebrew University of Jerusalem