this prediction with diesel retail prices in Dortmund, Germany. We estimate a U-shaped relation with statistical precision …

A lack of transparency about policy performance can pose a major obstacle to welfare-enhancing policy competition …

A lack of transparency about policy performance can pose a major obstacle to welfare-enhancing policy competition …

market competition. The amount of knowledge firms can absorb from other firms is made dependent on their own research efforts … positive effect on R&D efforts both under research joint venture and under research competition. Firms' propensity to …

the effects of medical insurance and competition in the guise of free choice of physician, including observability of … consult more often and physicians overtreat more often than in the baseline condition. Competition decreases overtreatment … compared to the baseline and patients therefore consult more often. When the two institutions are combined, competition is …

stylized way, we study the effects of medical insurance and competition in the guise of free choice of physician. Medical … physicians overtreat more often than in the baseline condition. Competition decreases overtreatment compared to the baseline and … patients therefore consult more often. When the two institutions are combined, competition is found to partially offset the …