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As the world began to witness an unprecedented rate of environmental destruction, economists and international institutions have been toiling away for decades, making every effort to dissect the dynamics of the relationship between the environment and the economy. Many claims have preached that there is a trade-off between environmental wellbeing and economic prosperity, where economic growth would be hindered by environmental protection. As we continue to neglect nature, will the world be capable of maintaining infinitely growing economies without falling into a deficit of natural resources? The foundation of all forms of economic growth springs from nature. Therefore, this study aims to explore the true impact of environmental protection policies on economic performance, and claims that well-designated environmental policies would only strengthen economies.

This study aims to investigate the impact of environmental protection policies on gross domestic product (GDP) growth utilizing a selected sample of 18 OECD countries. Fixed effects panel regression was conducted for the sample from 1998 to 2015.

Findings suggest that an increase in the environmental protection stringency is associated with an increase in GDP in the long-run. Whereas in the short run, more stringent environmental policies have been shown to have a questionable impact on GDP, brought to light by the mixed results portrayed in the short-run data.

While it is true that this study has utilized data from the The Organisation for Economic Co-operation and Development (OECD), the findings could be applicable to countries of the MENA region. This is due to the fact that GDP levels of OECD countries and Middle East and North African (MENA) countries have been converging over the past few decades. The convergence suggests that both regions seem to be following similar trends since the year 1990, with an increasing similarity in trend over the years.

This paper empirically proves that the protection of nature is necessary for the sustenance of long-term economic growth. This study also provides an approximate time range of when the economic gains of environmental protection would be realized, specifically in the beginning of a green growth transition. This makes the study findings accurately relevant to Arab countries, where providing a time range is necessary to alleviate some the uncertainty of policymakers in the MENA region towards environmental policies.

The effectiveness of fiscal policy is an interesting field in literature of macroeconomics. The purpose of this paper is to investigate the effects of fiscal policy on economic growth under contributions from the differences in institutions and external debt levels.

The authors use panel data from 2002 to 2014 from 20 emerging markets and use GMM estimators for unbalanced panel data.

The results show positive growth effects of fiscal policy across emerging markets in the examined periods. Notably, the improvement in institutions promotes higher crowding-in effects of fiscal policy. In addition, this paper finds interesting evidences that the external debt has non-linear effects on economic growth, whereas the heterogeneous effects of fiscal policy on economic growth as positive effects in low indebted level and negative effect in high indebted level may explain the mechanism of this non-linear relationship.

This study proposes the non-linear relationship of fiscal growth effects in emerging economies under the dynamic of debt levels.

The purpose of this paper is to investigate the relationship between monetary policy and economic growth in the light of a developing economy, with the main focus on Malaysia. Primarily, the research will concentrate on the interactions between interest rates, inflation, money supply and growth in GDP, which will serve as the instrument for measuring economic growth.

The research will apply quantitative analysis to determine the relationship between GDP growth and monetary policy instruments, particularly interest rate, money supply and level of inflation. Given the advancement and achievement in econometric analysis and computer software creation, the least-squares estimates analysis will be used to investigate the relationship and significance between these variables.

It is observed that relationship between economic growth and inflation is positive. This entails that a 1 percent change in inflation will result in a 77 percent increase in the level of economic growth in this economy. The linkage between economic growth and interest rates has also been observed to be positive. A positive nexus can be observed between economic growth and money supply. The coefficient value of 0.02 for money supply growth shows that it has the smallest effect on economic growth amongst the variables tested in the model.

Based on the findings of this study, the following recommendations can be made, which could serve as policies instruments for Malaysian economic development. This does not mean that the findings can be generalized for other developing economies.

Observations from the test for economic application significance are based on the signs of the parameters. It was observed that inflation, interest rates and money supply all have a positive relationship with economic growth, which is in line with the a priori expectations. This means that monetary policy has positively affected the economic growth.

The results of the OLS analysis reveal that the monetary policy instruments used for the model demonstrated that monetary policy has a positive relationship with economic growth in Malaysia. A breakdown of the individual monetary policy instruments shows that the interest rate, inflation and money supply all have individual positive relationships with economic growth.

A positive relationship exists between economic growth in Malaysia and all selected monetary instruments, namely, inflation, money supply and interest rate. The results show that the results show that inflation, interest rate and money supply will cause the economy to grow but their contribution to the developments is affected from other policy instruments which are used by the governments.

The study aims to investigate the role of monetary policy in encouraging economic growth through bank loans, as well as estimating the optimal monetary policy rate (MPR), which may be damaging to Ghana's economic growth if exceeded.

Using annual data spanning from 1990 to 2017, the authors used Autoregressive Distributed Lag (ARDL) econometric approach to investigate the impact of monetary policy on economic growth. Lind and Mehlum (2010) U test estimation technique is used in determining the threshold level.

The empirical findings demonstrated that the monetary transmission mechanism through the credit channel is poor in the long run, and the effectiveness of monetary policy is dependent on the financial sector's performance. A non-monotonic relationship between monetary and economic growth was also discovered in the study. As a result, the Monetary Policy Committee (MPC) should not adopt an interest rate for monetary policy that surpasses 23.7%.

Because of the non-monotonic link between MPR and economic growth, it is necessary to expand the financial market and ensure that the policy rate does not exceed the threshold level.

To the best of the authors' knowledge, this is one of the first studies to look at the MPR as a potential source of negative economic growth. The paper's findings could aid the MPC in determining the MPR. A MPR that is too high could eventually damage the financial sector and lead to economic disasters.

The study aims to empirically examine the relationship between monetary policy and economic growth, as well as to explore the long-run and the short-run effect of monetary policy on the economic growth of a developing country (Bangladesh) and a developed country (the United Kingdom).

Depending on data availability, the study employed secondary data covering the period of 1980–2019. The augmented Dickey–Fuller test and the Phillips–Perron test were used for the stationarity test. Further, the F-bounds test was run to justify the long-run relationship between monetary policy and economic growth. Thereafter, long-run coefficients were revealed from the auto-regressive distributed lag (ARDL) model and short-run coefficients from the error correction model. Furthermore, the vector error correction model (VECM) Granger causality approach was employed to demonstrate the causality of studied variables. Lastly, different diagnostics tests ensured the robustness of the models.

F-bounds test outcomes suggest that monetary policy has a long-run relationship with economic growth in both countries. Long-run coefficients revealed that money supply has a positive long-run impact on economic growth in both countries. Unlike the UK, the exchange rate exhibits an adverse effect on the economic growth of Bangladesh. The bank rate seems to promote economic growth for the UK. Findings also depict that increase in lending interest rates hurts the economic growth for both countries. Besides, the short-run coefficients portray random effects at different lags in both cases. Lastly, causality among studied variables is revealed using the VECM Granger causality approach.

The novelty of this study lies in consideration of both developing and developed countries in the same study.

The main purpose of this study is to investigate the short-run and long-run asymmetric effects of fiscal policy, namely government spending on economic growth over the sample period 2004Q2 up to 2018Q1 for the South African economy.

Nonlinear autoregressive distributive lag model is used to examine the short-run and long-run asymmetric effects of government spending on economic growth.

The results exhibit the negative change effect of government spending is found to be greater than the positive change effect of government spending on economic growth. Real effective exchange rate is found to have a positive and significant effect on economic growth both in the short run and long run. Whereas, inflation rate affects economic growth negatively and significantly in the short run and long run.

Previous empirical studies on the effect of fiscal policy on growth, at least for South Africa, consider only the asymmetric short-run effect while this paper extends the literature by incorporating asymmetries into the long-run effect. It provides a detailed analysis to the recent controversies on the effects of fiscal policy on growth.

This paper aims to examine the relationships between disaggregated government fiscal policy variables; private capital investment and economic growth in Ghana, as well as the similarities and differences in the impact of these variables on private investment (PI) and economic growth.

Cointegration and an error‐correction models are used, with time series properties of the variables investigate using augmented Dickey‐Fuller test and cointegration of the variables tested using Engel‐Granger two step procedure.

The findings indicate that changes in government recurrent expenditure, current government capital expenditure and international trade taxes are significant for growth while changes in tax on domestic goods and services, tax on international trade and tax on income and property matter for private capital investment. The major difference between the impact of fiscal policy on PI and economic growth, however, lies in the direction of impact.

Based on the findings of this study, it is recommended that different policies be pursued in the promotion of PI and economic growth. Also, given the low correlation between PI and economic growth, it is recommended that the Ghanaian private sector be focused on and fully developed in order for it to perform its role as an engine of growth.

Growth has been shown to be influenced by government expenditure and international trade taxes while private capital investment is influenced by taxes on domestic goods and services, international trade and on income and property. Fiscal policy authorities will find these useful.

The purpose of this paper is to investigate the long-run impact of foreign aid and workers’ remittances on Jordanian economic growth using time series data for the period 1970–2014. Following the most recent literature, the author also assess whether economic policy enhances economic growth and whether aid effectiveness is conditional on levels of economic policy.

The author employs unit root tests that allow for endogenously determined structural breaks (Perron, 1997) and properly utilize the autoregressive distributed lag (ARDL) or bounds testing approach to cointegration by applying both the F- and the t-test statistics (Pesaran et al., 2001). The analysis is applied to 12 different models that incorporates the various types and sources of foreign aid.

Empirical results suggest that aid and its various components, and workers’ remittances have had a positive and significant long-run impact on economic growth. Empirical results also show: no evidence supporting the hypothesis that aid is only or more effective in spurring economic growth during periods of “good” macroeconomic policy, i.e., when Jordan has undertaken World Bank Structural Adjustment Programs (SAPs); no robust evidence supporting the World Bank’s claim that SAPs are growth enhancing. Moreover, the author found strong empirical evidence suggesting that exports and human capital are also major determinants of long-run growth in Jordan.

Although Jordan and the region at large have experienced periods of major political instability that may have had a varying impact on the economy, lack of a reliable and lengthy time series measure that accounts for political instability is not available to include in the study.

Using cointegration analysis, our empirical evidence reveals that foreign aid, labor remittances, exports and human capital have had a robust positive long-run impact on economic growth. Hence, the Jordanian government should promote policies that encourage donor countries and agencies to further extend aid to Jordan. Moreover, policies that promote exports and facilitate labor mobility to neighboring countries should also be encouraged and promoted.

Despite receiving a significant amount of foreign aid and labor remittances in the last 50 years, the author found no time series study that tested the long-run impact of these external financing sources on growth in Jordan. This study fills that gap and extends the analysis to test whether macroeconomic policy is growth enhancing and whether aid (and several of its components) are only effective or more effective in promoting growth during periods of “good” macroeconomic policy, i.e., when Jordan has undertaken a World Bank SAP.

In recent years, with the gradual differentiation of economic and financial cycles, it has been increasingly difficult for monetary policies to remain balanced in stabilizing both economy and finance. Taking the period of 1999–2017 as a sample, the purpose of this paper is to find whether the synergy between the growth cycle and the price cycle is constantly improving in the economic cycle is more appropriate.

The key to stabilizing the economic cycle lies in the monetary policy and it should abandon the goal of boosting growth in a timely manner and turn into the goal of maintaining steady growth. At present, quantitative monetary policy is still more effective than price-oriented monetary policy in smoothing the economic cycle.

The impact of quantitative regulation on the financial cycle is more neutral, whereas price regulation will increase the volatility of price and financial cycles in the course of smoothing the growth cycle. In view of the continuous differentiation between the economic and financial cycles, it is realistic and reasonable to accelerate the establishment of a sound dual-pillar regulatory framework of “monetary policy and macro-prudential policy.”

The macro-prudential policy is specially used to smooth the financial cycle, so as to reduce the burden and increase the efficiency of the monetary policy on regulating economic cycle. Moreover, the transformation of monetary policy to price-oriented regulation must keep pace with the construction of the dual-pillar regulation framework and complement each other to prevent undesirable consequences in the financial sector. On the other hand, monetary policy still needs to rely on quantitative regulation in the future. The research in this paper also provides a new perspective for understanding the internal and external reform of China’s monetary policy in recent years.

Nobody concerned with political economy can neglect the history of economic doctrines. Structural changes in the economy and society influence economic thinking and, conversely, innovative thought structures and attitudes have almost always forced economic institutions and modes of behaviour to adjust. We learn from the history of economic doctrines how a particular theory emerged and whether, and in which environment, it could take root. We can see how a school evolves out of a common methodological perception and similar techniques of analysis, and how it has to establish itself. The interaction between unresolved problems on the one hand, and the search for better solutions or explanations on the other, leads to a change in paradigma and to the formation of new lines of reasoning. As long as the real world is subject to progress and change scientific search for explanation must out of necessity continue.