We argue that nonhomothetic preferences with habit formation in nondurable and durable consumption can be a driving force behind sectoral comovement in production. We make this point by augmenting a two-sector New Keyesian model a la Barsky, House and Kimball (2007) with these two real features...

We argue that nonhomothetic preferences with habit formation in nondurable and durable consumption can be a driving force behind sectoral comovement in production. We make this point by augmenting a two-sector New Keyesian model a la Barsky, House and Kimball (2007) with these two real features...

Price bubbles in an Arrow-Debreu equilibrium in an infinite-time economy are a manifestation of lack of countable additivity of valuation of assets. In contrast, the known examples of price bubbles in a sequential equilibrium in infinite time cannot be attributed to the lack of countable...