This comment provides a reply to Prof. Feige's paper with the title "Reflections on the Meaning and Measurement of Unobserved Economies: What do we really know about the 'Shadow Economy'?", in which Prof. Feige heavily criticizes me. I show that the same critique which Prof. Feige raises against...

The adequacy of retirement savings is central to the U.S. debate over the effects of Social Security reform and pension changes that would place greater responsibility on individuals for accumulation of retirement resources. We contribute to this discussion by examining the extent to which...

We derive equilibrium incentives to use comparative advertising that pushes up own brand perception and pulls down the brand image of targeted rivals. Data on content and spending for all TV advertisements in OTC analgesics enable us to construct matrices of dollar rival targeting and estimate...

Using recent data on the unvaccinated across U.S. states, this paper focuses on the determinants of vaccine hesitancy related to the COVID-19 pandemic. Results show that more prosperous states and states with more elderly and physicians have lower vaccine hesitancy. There was some evidence of...

This paper adds some formal research to the success of ongoing efforts to combat the COVID-19 pandemic by examining the drivers of the administration and delivery efficiency of coronavirus vaccines. For this purpose, we use data from the 50 US states and place the formal analysis in the context...

The number of drugs approved by the FDA for treating cancer has increased substantially during the last 40 years. Moreover, cancer drug innovation has been accelerating: more than 8 times as many new cancer drugs were approved during 2005-2015 as were approved during 1975-1985 (66 vs. 8). During...

This paper studies the propensities of the U.S. population to seek a full dose of vaccinations against the COVID-19 pandemic. Beyond the consideration of vaccine dissemination at the disaggregated or the local level, the main focus of this study is on determining whether a lack of health...