The inventory and revenue management models most commonly taught in the operations management and industrial engineering disciplines typically assume that the demand for a product is easily estimated and is independent of competing products offered through the same channel. In this chapter, we...

We use rich survey data on 133,825 households from 27 EU countries during 2005-2011 to analyze substitution between fixed-line and mobile telecommunications services. We estimate a discrete choice model where households may choose between having mobile or fixed-line voice access only, or using...

This paper provides a new test for whether different-currency assets are imperfect substitutes. The test exploits the fact that under floating rates, changing public currency demand has no direct effect on monetary fundamentals, current or future. Price effects from imperfect substitutability...

This paper investigates the impact of a 2018 intervention by the European Securities and Markets Authority (ESMA) limiting the amount of leverage that investors can take on their trading activities. While it successfully reduced the leverage-usage, investors shifted their trading activities to...

This study constructs a simple, two-sector Malthusian model with agriculture and industry, and use it to identify the determinants of subsistence income. We make standard assumptions about preferences and production technology, but by contrast to existing studies we assume that children and...