This paper shows the effects of endogenous capital utilization and habit formation in consumption on the predictions of a small open economy model calibrated to Canada. Capital utilization improves the fit of the model by increasing the volatility of output, investment, and hours worked, while habit formation improves the fit of the model by improving the dynamic properties of consumption and the current account. It is also shown that while shocks to the world interest rate sometimes improve the fit of the baseline model, they do not improve the fit of the model with capital utilization and habit formation. JEL classification: E32, F32
Abstract. We set up a standard small open economy business cycle model driven by government spending shocks, neutral productivity (TFP) shocks, and investment‐specific shocks. The model is calibrated to quarterly Canadian data and its predicted moments and sample paths are compared with their Canadian counterparts. We find that the model captures the dynamics in investment and in the trade balance better than special cases of the model where either one of the productivity shocks is omitted. More specifically, the model matches the variance of the trade balance‐output ratio, its correlation with output and its autocorrelation. It also matches the output‐investment correlation.
The first-order condition (FOC) associated with labour in many dynamic general equilibrium models involves only current period variables. Residuals constructed from this FOC are inconsistent with aggregate US data in that they are very large and highly persistent. The persistence suggests that models which introduce dynamic terms in the labour FOC may be more consistent with the data. Three such models (one with learning by doing, one with habit formation, and one with labour adjustment costs) confirm that they can reduce the persistence in the residuals making the models more consistent with the joint dynamics of consumption, output and hours. r
Post-war business cycle fluctuations of output and inflation are remarkably persistent. Many recent sticky-price models, however, grossly underpredict this persistence. We assess whether adding inventories to a standard sticky-price model raises the persistence of output and inflation. For this addition, we consider a shopping-cost model. In the model, consumers find shopping activities costly, and the cost of shopping depends on the stock of goods available. In this context, producers manage inventories to smooth production and to affect the cost of shopping. We find that the shopping-cost model generates a persistence for output and inflation that matches the persistence observed in the post-1985 US data.JEL classification: E22, E30.
A productivity shock leads to a large international transfer of capital and negative comovement of investment in the typical two-country real business cycle model. Most recent models that attempt to reduce or remove this transfer produce unrealistically low investment volatility. We show that adding organizational capital to the technological environment of a relatively standard international business cycle model can ameliorate this problem. In addition we show that GHH preferences along with the above modification are sufficient to deliver positive crosscountry correlations of consumption, hours, output and investment.
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