The sensitivity of U.S. aggregate investment to shocks is procyclical: the response upon impact increases by … a counterexample to the claim that microeconomic investment lumpiness is inconsequential for macroeconomic analysis …

smoothing in the investment response to aggregate shocks. The remaining 40% is explained by general equilibrium forces. The … particular, booms feed into themselves. The longer an expansion, the larger the response of investment to an additional positive … shock. Conversely, a slowdown after a boom can lead to a long lasting investment slump, which is unresponsive to policy …

investment behavior. New theories, better econometric procedures, and more detailed panel data sets are behind this movement … general equilibrium aspects of the investment problem also has been significant. The concept of sunk costs is at the center of … modern theories. The implications of these costs for investment go well beyond the neoclassical response to the irreversible …

the U.S. would experience a sudden stop of capital flows, which would unavoidably drag the world economy into a deep … instead that the root imbalance was of a different kind: The entire world had an insatiable demand for safe debt instruments … of exposing the economy to a systemic panic. This structural problem can be alleviated if governments around the world …