An instrument manipulates a treatment that it does not entirely control, but the instrument affects the outcome only indirectly through its manipulation of the treatment. The idealized prototype is the randomized encouragement design, in which subjects are randomly assigned to receive either encouragement to accept the treatment or no such encouragement, but not all subjects comply by doing wha...

We examine the correlation between the generosity of clinicians – as measured in a laboratory experiment – and the quality of care in their normal practices under three different intrinsic incentive schemes. Specifically, we observe clinicians in their normal work environment, when a peer observes them and six weeks after an encouragement visit from a peer. Clinicians who give at least half of ...

In a longitudinal study, infants' habituation and mothers' encouragement of attention were assessed at 5 months, and toddlers' language comprehension, language production, and pretense play and mothers' encouragement of attention were assessed at 13 months. Structural equation modeling was used to examine the unique contributions of infant habituation and maternal stimulation to toddlers' cogni...

The economic situation of the post-epidemic is facing huge downward risks, and government actively introduces stimulus measures to improve current situation. In this crisis, president’s role in asset price gradually deepened. Hence, we utilise a wavelet-based quantile-on-quantile approach uncover complex unstable relationships between presidential popularity currency performance price. We find ...