A simple dynamic model of criminal behavior is estimated. The object is to see if the dynamics involved help differentiate between alternative structural hypotheses involving empirical regularities such as the age crime profile. This refers to the observation that criminal behavior seems to peak...

Background: Vaccinating children against influenza virus may reduce infections in immunised children and household contacts, thereby reducing the household-based cost associated with respiratory illnesses. Objective: To evaluate the impact of influenza virus vaccination of daycare children on...