While conducting empirical work, researchers sometimes observe changes in outcomes before adoption of a new treatment program. The conventional diagnosis is that treatment is endogenous. Observing changes in outcomes prior to treatment is also consistent, however, with anticipation effects. This...

In a complex economy, production is vertical and crosses jurisdictional lines. Goods are often produced by a global or national firm upstream and improved or distributed by local firms downstream. In this context, heightened products liability may have unintended consequences for consumer...

While conducting empirical work, researchers sometimes observe changes in outcomes before adoption of a new treatment program. The conventional diagnosis is that treatment is endogenous. Observing changes in outcomes prior to treatment is also consistent, however, with anticipation effects. This...

In a complex economy, production is vertical and crosses jurisdictional lines. Goods are often produced by a global or national firm upstream and improved or distributed by local firms downstream. In this context, heightened products liability may have unintended consequences for consumer...

While conducting empirical work, researchers sometimes observe changes in outcomes before adoption of a new treatment program. The conventional diagnosis is that treatment is endogenous. Observing changes in outcomes prior to treatment is also consistent, however, with anticipation effects. This...