RESEARCH POSTER PRESENTATION DESIGN © 2015 www.PosterPresentations.com Definition Pro-poor growth is defined as broad-based economic growth that increases the poor’s income and welfare proportionately more than the non-poor’s. In other words, it is an inclusive growth where the poor do not get left behind. Measurement error refers to the difference between the measured/reported value of a variable and its true value. In a regression, the measurement error of a predictor variable causes the regression analysis to be inaccurate or biased. Example: In the above regression, indicates the effect of an increase in a unit of income on savings. However, if income is measured with error, ordinary least square estimates of will be biased and this will not give an accurate estimate of the impact on savings. In the case of measurement errors, instrumental variables are used to get an unbiased estimate of . These are variables that are correlated with our regressor, income and, uncorrelated with our regressand, savings. Background on Indonesia Indonesia has experienced an average annual real GDP per capita growth rate 5.4% over the last 15 years and is one the world’s 20 largest economies. However, there are concerns of the growth being unequal. The Gini coefficient, an indicator of inequality, has risen from 0.31 points in 2000 to 0.43 in 2015. Consumption is also very unevenly distributed, with the richest 10% now consuming as much as the poorest 54%, rising from 42% in 2000 Introduction Research Question Data Used: Indonesia Family Life Survey 2007 and 2014 Cross-Section Analysis - Compare mean of per capita expenditure of a quintile in the 1st year with the mean for households in that same quintile in the second year. - Shows the distribution of income in a country - Reflects the changes in patterns of inequality over time Panel-Data Analysis - Compare, for a given quintile, the same households’ mean per capita expenditure in the first and second year - Conveys the degree of mobility for the poor to move up into higher quintiles Measurement Error Simulate a joint distribution of the true values of per capita expenditure in 2007 and 2014, by making inferences of the mean, variance of the variables and its error terms. Methodology  Cross-Section Analysis  Panel Data Analysis  Panel Data without Correcting for Measurement Error Results Conclusions  Cross-section analysis shows: • Overall growth rate of expenditure between 2007 and 2014 is, on average, 4.63% per year. • The growth rates among the 5 quintiles have been equal with the third quintile (middle 20%) experiencing the highest growth • Indonesia’s growth between 2007 and 2014 has, arguably, not been pro-poor since the bottom 20% has not experienced a higher growth than the other 80%.  Panel-Data analysis shows:  Without correcting for measurement error, the bottom 20% experienced a high growth, nearly double the median of growth rates among the 5 quintiles.  Thus, Indonesia’s growth has been pro poor  However, simulation accounting for measurement error, shows that the previous panel-data analysis has overestimated the growth rates.  Growth for the 1st quintile is as high as suggested and growth for 5th quintile is no as low as previously indicated.  Growth for the 1st quintile is higher than than the other 4 quintiles. So, shows that growth has been pro-poor. Acknowledgements • I would like to thank my mentor Professor Paul Glewwe for his tremendous support and constant guidance throughout this research project • I would like to thank the Undergraduate Research Opportunity Project (UROP) for funding this research project. Department of Applied Economics, University of Minnesota Ariza Gusti, Prof. Paul Glewwe Pro-Poor Growth in Indonesia 0 1 2 3 4 5 6 7 GDP Growth Rate 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 1999 2002 2005 2007 2008 2009 2010 2011 2012 2013 2015 Gini Coefficient Index Quintile 1 HH 1 HH 2 HH 3 Quintile 2 HH 4 HH 5 HH 6 Quintile 3 HH 7 HH 8 HH 9 Quintile 4 HH 10 HH 11 HH 12 Quintile 1 HH 1 HH 2 HH 4 Quintile 2 HH 3 HH 5 HH 6 Quintile 3 HH 7 HH 8 HH 10 Quintile 4 HH 9 HH 11 HH 12 Mean Q1 Mean Q2 Mean Q3 Mean Q4 Mea n Q1 Mea n Q4 Mea n Q3 Mea n Q2 Quintile 1 HH 1 HH 2 HH 3 Quintile 2 HH 4 HH 5 HH 6 Quintile 3 HH 7 HH 8 HH 9 Quintile 4 HH 10 HH 11 HH 12 Quintile 1 HH 1 HH 2 HH 4 Quintile 2 HH 3 HH 5 HH 6 Quintile 3 HH 7 HH 8 HH 10 Quintile 4 HH 9 HH 11 HH 12 Mean Q1 HH1 HH2 HH3 Mean Q1 HH1 HH2 HH3 Mean Q2 HH4 HH5 HH6 Mean Q3 HH7 HH8 HH9 Mean Q4 HH10 HH11 HH12 Mean Q2 HH4 HH5 HH6 Mean Q3 HH7 HH8 HH9 Mean Q4 HH10 HH11 HH12 quantile anngrw 1 10.67% 2 7.91% 3 6.18% 4 4.30% 5 0.80% Data • Panel Attrition Households # of HH Interviewed in 2007 13,270 # of HH Interviewed in 2014 15,921 # of HH Split After 2007 3,950 # of HH Interviewed Only in 2007 1,852 # of HH Interviewed Only in 2014 305 # of HH Interviewed Both in 2007 and 2014 11,666 quantile Mean PCE07 Mean PCE14 anngrw 1 247,689 335,571 4.43% 2 389,618 540,038 4.77% 3 542,975 756,134 4.84% 4 777,958 1,073,418 4.71% 5 1,718,484 2,383,717 4.79% Overall 735,276 1,009,687 4.63% All Households Panel Household* 2007 2014 2007 2014 Per-Capita Expenditure 735,276 1,009,687 697,377 1,221,980 Household Size 3.74 3.7 3.87 3.91 *Panel households include 10,972 households that are found in both 2007 and 2014 surveys i.e hhid07=hhid14 quantile Mean PCE07 Mean PCE14 anngrw 1 245,110 536,909 11.85% 2 381,829 729,807 9.70% 3 526,532 868,356 7.41% 4 746,835 1,022,716 4.59% 5 1,587,439 1,578,273 -0.08% Table 1 Table 2 Table 3 Table 4 Table 5 0 200 400 600 800 1000 1200 Real GDP at 2010 US$ (Billions) Results (Continued) • Simulated Panel Data Correcting for Measurement Error Methodology (Continued) Where is the observed value of expenditure at time 1 is the true value of expenditure at time 1 is the random measurement error Where is the error term of the regression is the coefficient attained from 2SLS (IV) regression is the true value of expenditure at time 2 Where is the coefficient from OLS regression is the variance of corresponding variable Acknowledgements • Strauss, J., F. Witoelar, & B. Sikoki. “The Fifth Wave of Indonesia Family Life Survey(IFLS5): Overview and Field Report”. March 2016. WR-1143/1-NIA/NICHD • Strauss, J., F. Witoelar, B. Sikoki & A.M. Wattie. “The Fourth Wave of Indonesia Family Life Survey(IFLS5): Overview and Field Report”. April 2009. WR-675/1- NIA/NICHD • Glewwe, P., & Dang, H-A. H. (2011) “Was Vietnam’s Economic Growth in the 1990s Pro-Poor? An Analysis of Panel Data from Vietnam.” Economic Development and Cultural Change, 59, 583-608 High Economic Growth Pro-Poor Growth?