Investment is often irreversible: once installed, capital has little or no value unless used in production. This paper proposes and solves a model of sequential irreversible investment and characterizes the aggregate implications of macroeconomic irreversibility and idiosyncratic uncertainty. If...

International posting of workers and mobility of self-employed service suppliers lie between outright migration and trade in goods: their regulation, for both distributional and marketcorrecting purposes, is not as difficult to harmonize as that of labour markets, but personal mobility is more...