We study optimal monetary policy when the empirical evidence leaves the policymaker uncertain whether the true data-generating process is given by a model with sticky wages or a model with search and matching frictions in the labor market. Unless the policymaker is almost certain about the...

VAT without any exemptions or zero-rating is regressive. Since the inception of VAT in South Africa, there has been an ongoing debate around the issue of zero-rating to alleviate the burden on poor households. This paper uses vegetables as an example and conducts tax incidence analyses to...

This chapter studies optimal monetary stabilization policy in interdependent open economies, by proposing a unified analytical framework systematizing the existing literature. In the model, the combination of complete exchange-rate pass-through ('producer currency pricing') and frictionless...