Exceptional Argentina Di Tella, Glaeser and Llach - Thomas Piketty

Table 4. The Trebon critique
Dep. Var.: Share of food
Small set of control variables
Extended set of control variables
Using
Expenditure
Using
Income
Using income
as instrument
of
expenditure
Using
Expenditure
Using
Income
Using income
as instrument
of
expenditure
Dummy for ENGH 96/97
Dummy for ENGH 04/05
Ln of per capita expenditure
Ln of per capita income
Food prices/non-food prices
(Dummy for ENGH 96/07) *
(Ln household size)
(Dummy for ENGH 04/05) *
(Ln household size)
(1) (2) (3) (4) (5) (6)
-0.111*** -0.093*** -0.114*** -0.101*** -0.082*** -0.104***
(0.009) (0.009) (0.009) (0.009) (0.009) (0.009)
-0.123*** -0.112*** -0.125*** -0.113*** -0.097*** -0.116***
(0.009) (0.009) (0.009) (0.009) (0.010) (0.009)
-0.118*** -0.130*** -0.097*** -0.107***
(0.002) (0.003) (0.003) (0.004)
-0.100*** -0.071***
(0.003) (0.003)
0.037** 0.048*** 0.032** 0.045*** 0.058*** 0.040***
(0.015) (0.016) (0.015) (0.015) (0.016) (0.015)
0.001 0.006 (0.001) 0.002 0.006 0.000
(0.007) (0.007) (0.007) (0.007) (0.007) (0.007)
0.015** 0.012 0.012* 0.016** 0.016** 0.014*
(0.008) (0.008) (0.008) (0.008) (0.008) (0.008)
Observations 10,380 10,364 10,364 10,380 10,364 10,364
R-squared 0.407 0.35 0.405 0.424 0.382 0.423
Adj. R-squared 0.406 0.349 0.404 0.421 0.379 0.420
Cumulative Bias in CPI from
85/86 to 96/97
61.2% 60.3% 58.2% 65.0% 68.4% 62.2%
P. 5% 65.9% 66.0% 62.9% 70.3% 74.6% 67.2%
P. 95% 56.5% 54.3% 53.6% 59.9% 61.4% 56.9%
Annual Implicit Bias from
85/86 to 96/97
8.24% 8.06% 7.63% 9.11% 9.94% 8.46%
P. 5% 9.33% 9.34% 8.62% 10.50% 11.70% 9.63%
P. 95% 7.28% 6.88% 6.74% 7.96% 8.30% 7.36%
Cumulative Bias in CPI from
85/86 to 04/05
64.9% 67.2% 61.8% 69.1% 74.4% 66.2%
P. 5% 68.7% 71.6% 65.7% 73.4% 79.2% 70.6%
P. 95% 60.8% 61.9% 57.6% 64.2% 67.7% 61.0%
Annual Implicit Bias from
85/86 to 04/05
5.10% 5.42% 4.70% 5.70% 6.58% 5.28%
P. 5% 5.64% 6.10% 5.21% 6.40% 7.56% 5.93%
P. 95% 4.57% 4.71% 4.20% 5.01% 5.49% 4.60%
Cumulative Bias in CPI from
96/97 to 04/05
9.70% 17.30% 8.62% 11.60% 18.90% 10.60%
P. 5% 16.50% 25.10% 14.90% 20.60% 30.00% 18.70%
P. 95% -1.43% 4.99% -1.33% -2.25% 0.61% -1.89%
Annual Implicit Bias from
96/97 to 04/05
1.13% 2.09% 1.00% 1.36% 2.30% 1.23%
P. 5% 1.99% 3.16% 1.78% 2.54% 3.88% 2.28%
P. 95% -0.16% 0.57% -0.15% -0.25% 0.07% -0.21%
* significant at 10%; ** significant at 5%; *** significant at 1%
Robust standard errors in parentheses
P. 5% and P. 95% correspond to percentile 5 and percentile 95 of 90 percent bootstrap confidence interval
Small set of control variables includes percentage of members ages 0 to 4, percentage of members ages 5 to 9, percentage of
members ages 10 to 15, percentage of members ages 15 to 19, Dummies for Capital Federal, Male head, Spouse present, Head
has a job, Spouse has a job,Head and spouse have both a job, Owner occupied and Free housing occupied.
Extended set of control variables includes also percentage of members ages 20 to 35, percentage of members ages 35 to 60,
Number of income perceptors, Dummies for Head self emploied, Head employer, Household has a last one car, Head is
married, Head is single, Head unmarried with spouse, educational levels of Heads, and Head's job Sectors.
An additional robustness test includes using only the data for city of Buenos Aires. The
results are similar to those estimated previously and for brevity are not shown here.