In empirical research it is common practice to use sensible rules of thumb for cleaning data. Measurement error is often the justification for removing (trimming) or recoding (winsorizing) observations whose values lie outside a specified range. We consider a general measurement error process...

There are marked differences in life expectancy between the regions of England, between the countries in the UK, and between the UK and other wealthy countries. Within England, prior to the COVID-19 pandemic, life expectancy at birth was more than two years higher in London and the South East...

A rich array of institutional diversity makes the United States an excellent place to study the relationship between political institutions and public policy outcomes. This essay has three main aims. First, it reviews existing empirical evidence on the relationship between institutional rules,...