The proposed instrument is a measure of the arrival cost of labor inspectors to the firms.
To deal with the possible endogeneity of the enforcement measure in this setting, I instrumented it using a measure of the arrival cost of labor inspectors to the firms.
The measure of the arrival cost of labor inspectors is statistically significant in all specifications for the samples of men and women, and the estimates are remarkably stable across models.
One may worry that the measure of the arrival cost of labor inspectors to the firms (instrumental variable) is overestimated in provinces having more than one local inspection agency.
Arrival cost of labor inspectors Logarithm of extension of the road network in each province and year multiplied by the number of crossing vehicles in each province and year.
Using information of the highly decentralized labor inspection system in Argentina, I construct an enforcement measure with variation at the province, sector, and time level (share of inspected firms) which I instrument using a measure of the arrival cost of labor inspectors to the firms.
Within the first few months of 2011, the absence of Tunisian border controls resulted in a temporary hike of irregular emigration of Tunisians towards Italy and the much larger and prolonged arrivals of refugees, labor migrants and Libyan citizens from Libya (see Boubakri, 2013; Natter, 2015).
"The arrival of cheap foreign labor drove down wages in the U.S. and elsewhere, and falling agriculture prices hurt landowners in Europe," Mr. Williamson said, leading to calls for commodities tariffs and immigration limits.
When the air turns crisp with the first frost and people await the arrival of snow, housewives labor over their cooking pots, stirring, stirring as coarse meal slurried in water gradually thickens and becomes sticky and delicious.
