Using digitized texts scanned by Google and subjected to optical character recognition, I show that heteroskedasticity overtook heteroscedasticity as the preferred spelling in 2001 and has continued to dominate, except for 2005, up to 2008. The latest trends indicate that writers are moving...

"We identify the causal effect of compulsory military service on conscripts' subsequent labour-market outcomes by exploiting the regression-discontinuity design of the military draft in Germany during the 1950s. Unbiased estimates of military service on lifetime earnings, wages, and employment...

In a randomized controlled trial involving 700 obese persons assigned to three experimental groups, we test whether financial incentives have heterogeneous effects on weight reduction. While two treatment groups obtain EUR 150 and EUR 300, respectively, for achieving an individually-assigned...

Malaria kills about 1,500 children every day. Based on the Demographic and Health Surveys, we examine malaria treatment practices of various health care providers in sub-Saharan Africa, where more than 90 percent of the world’s deaths due to malaria occur. To assess the quality of each health...

Within the context of the current political discussion over base realignments and closures (BRACs) in Germany, this study provides policy guidance by examining the economic consequences to the surrounding community. We identify the causal effect of a reduction in military personnel on a number...

This paper estimates the causal impact of compulsory military service on men in Germany using social security and pension administrative data for the cohort of individuals born in the period 1932–1942. Due to the combination of laws restricting conscription only to men born on or after July 1,...

type="main" <title type="main">Objective</title> <p>The reliability of general self-rated health status is examined using the reform of the public health insurance system of Germany in 2004 as a source of exogenous variation. The reform introduced a co-payment for ambulatory doctor visits and increased the co-payments for...</p>

We identify the causal effect of compulsory military service on conscripts’ subsequent labor-market outcomes by exploiting the regression-discontinuity design of the military draft in Germany during the 1950s. Consistent estimates of military service on lifetime earnings, wages, and days of...

Obesity and overweight are linked to diseases that cost society a significant amount of resources. While behavior modification can reduce the problem, instigating such lifestyle changes is an uneasy task. One potential way to reduce the problem is through the use of financial incentives. In this...

Zum 1. Januar 1997 wurde im Bauhauptgewerbe ein Mindestlohn eingeführt, der bis heute besteht. Die vorliegende Studie fasst verschiedene Ergebnisse zu den Folgen dieser Mindestlohnregelung zusammen. In Ostdeutschland war die Betroffenheit durch den Mindestlohn zum Zeitpunkt der Einführung...