The burgeoning app economy increasingly drives growth in today's service sector. We study a dataset encompassing apps' daily, weekly, and monthly usership time series and show how its nested-echelon structure allows researchers to reliably infer how and when an app's customers adopt, use, and...

The bullwhip effect is the amplification of demand variability along a supply chain: a company bullwhips if it purchases from suppliers more variably than it sells to customers. Such bullwhips (amplifications of demand variability) can lead to mismatches between demand and production and hence...

Merton's recent extension of the capital asset pricing model proposed that asset returns are an increasing function of their beta risk, residual risk, and size, and a decreasing function of the public availability of information about them. Associating the latter with asset liquidity and...

The effects of asset liquidity on expected returns for assets with infinite maturities (stocks) are examined for bonds (Treasury notes and bills with matched maturities of less than six months). The yield to maturity is higher on notes, which have lower liquidity. The yield differential between...