The standard procedure for analyzing transitional dynamics in non-linear macro models has been to employ linear approximations. Recently quadratic approximations have been explored. This paper examines the accuracy of these and higherorder approximations in an endogenous growth model with public capital, thereby extending the work done in the current literature on the neoclassical growth model. We find that significant errors may persist in computed transition paths and welfare even after resorting to approximations as high as fourth order. Moreover, the accuracy of approximations may not increase monotonically with the increase in the order of approximation. Also, as in the previous literature, we find that achieving acceptable levels of accuracy when computing the welfare consequences of a policy change typically requires a higher order approximation than attaining similar levels of accuracy in the computation of the transition path: typically an increase in order of approximation by one is sufficient.
The global financial crisis emphasized the important role of the prudent monetary policy in supporting economic growth through maintaining price stability. The monetary policy operational framework that was designed in 2008 was updated to include more instruments for managing monetary policy learning from the crisis lessons. Several studies analyzed various dimensions related to economic growth in Jordan such as Abdul-Khaliq, Soufan, and Abu Shihab (2013) and Assaf (2014), there were no studies that investigated the effect of monetary policy on economic growth in Jordan, at least recently, however. The study aims at measuring the effect of monetary policy instruments on the performance of Jordanian economy. Using quarterly data covering the period (2005-2015), an econometric model was examined using Vector Error Correction Model to assess the impact of monetary policy instruments on economic growth. The foremost advantage of VECM is that it has a nice interpretation of long-term and short-term equations. The results showed the existence of positive long-term and short-term effects of monetary policy instruments on the growth of real GDP. The model included three monetary policy instruments besides money supply. They are required reserve ratio, rediscount rate and overnight interbank loan rates as independent variables, and the real GDP growth as a dependent variable. The stationarity of the model time series was addressed. In addition, the stability of the model was tested using stability diagnostics tools. The results showed also an existence of inverse relationship between rediscount rate and economic growth in Jordan over both long and short terms.
This study aims at investigating the extent of interaction between monetary policy and macroprudential policy in Jordan during the period (2005-2015) using the Vector Error Correction Model (VECM) to check the presence of short-term and long-term impacts of the monetary policy tools in general on the accumulation of systemic risks in the banking system. Systemic risk was measured using the credit gap. The results showed the existence of a statistically significant negative effect of deposit window rate and required reserve ratio on the accumulation of systemic risks, whereas the rediscount rate had a positive effect.
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