We study an under-utilized source of data on legislative effectiveness, and exploit its panel structure to uncover several interesting patterns. We find that effectiveness rises sharply with tenure, at least for the first few terms even after controlling for legislators institutional positions,...

We develop a rationale for roll call voting and position-taking in legislatures using a formal model of legislative vote buying and elections. In our model, citizens and an interest group are motivated by policy, while legislators are motivated by holding office. The group may attempt to buy...