Private insurance firms participating in Medicare can offer up to three principal plan types: coordinated care plans (CCPs), prescription drug plans (PDPs), and private fee for service (PFFS) plans. Firms can make entry and marketing decisions separately across plan types and geographic regions....

A recent literature has used variation just around deterministic legislative population thresholds to identify the causal effects of institutional changes. This paper reviews the use of regression discontinuity designs using such population thresholds. Our concern involves three arguments: (1)...

The marketing and sales polices of Iranian crude oil have been revised and changed after the Islamic Revolution of 1979. Production policy that drastically cut back production in order to maintain oil reserves for future generations. In terms of marketing Iranian crude oil, the new revolutionary...

The link between household poverty and child labor is much stronger in Pakistan than in Peru. Providing good schools in South Asia could help reduce child labor. The link between child labor and adult labor markets varies with gender. Using data from Peruvian and Pakistani household surveys, Ray...

This paper examines official country selection as well as resource allocation of German aid after the end of the Cold War and embeds the analysis into the broader debate about German foreign policy. Based on new data, we take into account several peculiarities of the German aid system. We find...