To assess age-specific infection fatality rates (IFRs) for COVID-19, we have conducted a systematic review of seroprevalence studies as well as countries with comprehensive tracing programs. Age-specific IFRs were computed using the prevalence data in conjunction with reported fatalities four...

To assess age-specific infection fatality rates (IFRs) for COVID-19, we have conducted a systematic review of seroprevalence studies as well as countries with comprehensive tracing programs. Age-specific IFRs were computed using the prevalence data in conjunction with reported fatalities four...

This textbook discusses the most important theories of internationalization, including Product Life-Cycle, Internalization, Location, International New Venture concepts, and others. These models are grounded to a considerable extent in the Transaction Cost Theory and the Resource-Based View as...