Jonas D. M. Fisher

The dynamic effects of neutral and investment-specific technology shocks

The neoclassical growth model is used to identify the short‐run effects of neutral technology shocks, which affect the production of all goods homogeneously, and investment‐specific shocks, which affect only investment goods. The real equipment price, crucial for identifying the investment shocks, experiences an abrupt increase in its average rate of decline in 1982, so the analysis is based on a split sample. On the basis of the preferred specification, the two technology shocks account for 73 percent of hours’ and 44 percent of output’s business cycle variation before 1982, and 38 percent and 80 percent afterward. The shocks also account for more than 40 percent of hours’ and 58 percent of output’s forecast errors over a three‐ to eight‐year horizon in both samples. The majority of these effects are driven by the investment shocks.

Algorithms for solving dynamic models with occasionally binding constraints

We describe and compare several algorithms for approximating the solution to a model in which inequality constraints occasionally bind. Their performance is evaluated and compared using various parameterizations of the one sector growth model with irreversible investment. We develop parameterized expectation algorithms which, on the basis of speed, accuracy and convenience of implementation, appear to dominate the other algorithms.

Credit Market Imperfections and the Heterogeneous Response of Firms to Monetary Shocks

This paper assesses the bank-lending channel interpretation of evidence on the heterogeneous response of firms to monetary shocks. To do so I develop a quantitative general equilibrium model of the bank-lending channel with imperfect credit markets. The calibrated models steady state supports a common identification strategy adopted in the literature: small firms are credit constrained and large firms are not. For some parameter values the model reproduces the cyclical observations viewed as supporting the lending view of the monetary transmission mechanism and for others it does not. The parameter values consistent with the lending view appear to be implausible.

Using Stock Returns to Identify Government Spending Shocks

This article explores a new approach to identifying government spending shocks which avoids many of the shortcomings of existing approaches. The new approach is to identify government spending shocks with statistical innovations to the accumulated excess returns of large US military contractors. This strategy is used to estimate the dynamic responses of output, hours, consumption and real wages to a government spending shock. We find that positive government spending shocks are associated with increases in output, hours and consumption. Real wages initially decline after a government spending shock and then rise after a year. We estimate the government spending multiplier associated with increases in military spending to be about 1.5 over a horizon of 5 years.

Macroeconomic Effects of Federal Reserve Forward Guidance

A large output gap accompanied by stable inflation close to its target calls for further monetary accommodation, but the zero lower bound on interest rates has robbed the Federal Open Market Committee (FOMC) of the usual tool for its provision. We examine how public statements of FOMC intentions—forward guidance—can substitute for lower rates at the zero bound. We distinguish between Odyssean forward guidance, which publicly commits the FOMC to a future action, and Delphic forward guidance, which merely forecasts macroeconomic performance and likely monetary policy actions. Others have shown how forward guidance that commits the central bank to keeping rates at zero for longer than conditions would otherwise warrant can provide monetary easing, if the public trusts it. ; We empirically characterize the responses of asset prices and private macroeconomic forecasts to FOMC forward guidance, both before and since the recent financial crisis. Our results show that the FOMC has extensive experience successfully telegraphing its intended adjustments to evolving conditions, so communication difficulties do not present an insurmountable barrier to Odyssean forward guidance. Using an estimated dynamic stochastic general equilibrium model, we investigate how pairing such guidance with bright-line rules for launching rate increases can mitigate risks to the Federal Reserve’s price stability mandate.

(S,s) Inventory policies in general equilibrium

We study the aggregate implications of (S,s) inventory policies in a dynamic general equilibrium model with aggregate uncertainty. Firms in the models retail sector face idiosyncratic demand risk, and (S,s) inventory policies are optimal because of fixed order costs. The distribution of inventory holdings affects the aggregate outcome in two ways: variation in the decision to order and variation in the rate of sale through the pricing decisions of retailers. We find that both mechanisms must operate to reconcile observations that orders are more volatile than, and inventory investment is positively correlated with, sales, while remaining consistent with other salient business cycle characteristics. The model exhibits strong amplification for some shocks, and persistence to a limited extent.

Why Does Household Investment Lead Business Investment over the Business Cycle

Household investment leads nonresidential business fixed investment over the U.S. business cycle. Because real business cycle theory has not been able to account for this observation, it represents a potent challenge to the view that transitory productivity disturbances are the main source of aggregate fluctuations. This paper reconciles RBC theory with the investment dynamics by extending the traditional home production model to make household capital complementary to business capital and labor in market production. Empirical evidence suggesting that household capital is a complementary input in market production is also presented.

Habit persistence and asset returns in an exchange economy

We examine asset prices and returns in the context of a version of the pure exchange economy studied in Lucas (1978) and Mehra and Prescott (1985). Our purpose is to identify the key channels by which changes in preferences affect the equity premium and the risk free rate and to develop intuition that is useful for understanding asset pricing in more complicated economies. Our analysis suggests that capital gains play a crucial role in generating empirically plausible mean equity premia.

Relative prices, complementarities and comovement among components of aggregate expenditures

Abstract Recent work suggests that the standard real business cycle framework has difficulty accounting for co-movement among aggregate expenditure components when they are disaggregated even slightly to include business and household investment. In addition, relative prices of these goods have displayed substantial variation over the post-war period. This paper reports that incorporating a source of empirically plausible relative price variability makes the frameworks implications for comovement even worse, compounding the comovement problem. The possibility that complementarities in the production of household and business capital may help account for observed co-movement is considered. The results suggest that complementarities improved the frameworks empirical performance.

Mortgage choices and housing speculation

Borrowers in cities where house prices boomed in the 2000s relied heavily on backloaded interest-only (IO) mortgages that require borrowers only to pay interest initially. We develop a theory that encompasses common explanations for IO use and show that while they can largely account for the regional variation in IOs, they cannot fully explain the concentration of IOs in booming cities. We propose a new explanation. In our model, uncertain price appreciation and no-recourse lending can lead to speculation financed with backloaded mortgages. We find evidence that IO borrowers behaved in ways consistent with such speculation.