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A neoclassical growth model is examined with a special mound-shaped production function. Continuous time scales are assumed and a complete steady state and stability analysis is presented. Fixed delay is then assumed and it is shown how the asymptotic stability of the steady state is lost if the delay reaches a certain threshold, where Hopf bifurcation occurs. In the case of continuously distriubuted delays, we show that with small average delays stability is preserved, then lost at a threshold, then it is regained if the average delay becomes sufficiently large. The occurence of Hopf bifurcation is shown at both critical values.

We propose a tractable variant of the open economy neoclassical growth model that emphasizes political economy and contracting frictions. The political economy frictions involve a preference for immediate spending, while the contracting friction is a lack of commitment regarding foreign debt and expropriation. We show that the political economy frictions slow an economy's convergence to the steady state due to the endogenous evolution of capital taxation. The model rationalizes why openness has different implications for growth depending on the political environment, why institutions such as the treatment of capital income evolve over time, why governments in countries that grow rapidly accumulate net foreign assets rather than liabilities, and why foreign aid may not affect growth.

This study attempts to determine the untapped factors that affect sustainable development in 64 Belt and Road Initiative (BRI) countries from 2006 to 2019. The study employed the two-step system Generalized Method of Moments (GMM) validated through Two-stage Least Square (2SLS). The findings of system-GMM revealed a significant dynamic nature of the relationship between sustainable development and its determinants. Findings demonstrate that financial development, financial inclusion, energy efficiency ratio, per capita health expenditure, per capita income growth, governance, and integration of before and after BRI dummy show a significant positive impact by contributing to BRI countries’ sustainable development path. However, e-government, natural resource rent, macroeconomic conditions, and government size have a significant but negative effect by hurting sustainable development. Integration of BRI further enhances and promotes a country and regional sustainable development path. Therefore, better regional policies for financial development, financial inclusion for poverty alleviation, and e-government development are required, boosting per-capita income and sustainable development in the coming years. The study concludes that BRI country’s natural resources rent contributes to national saving but declines the natural resources. Also, it endorses the theory that a nation should adopt the “Hartwick rule” to reinvest rents from the depletion of the natural resources in reproducible capital forms to shift from a weak sustainable path. This study also proposes significant policy implications for balanced and sustainable growth in light of the current research findings.

This article investigates the strength of empirical evidence for various growth theories when there is model uncertainty with respect to the correct growth model. Using model averaging methods, we find little evidence that so-called fundamental growth theories play an important role in explaining aggregate growth. In contrast, we find strong evidence for macroeconomic policy effects and a role for unexplained regional heterogeneity, as well as some evidence of parameter heterogeneity in the aggregate production function. We conclude that the ability of cross-country growth regressions to adjudicate the relative importance of alternative growth theories is limited.

Public health events (PHEs) have emerged as significant threats to human life, health, and economic growth. PHEs, such as COVID-19, have prompted a reevaluation for enhanced regular prevention and control (RPC). In this study, we focus on the core concept of prevention and control intensity (PCI), and establish a neoclassical economic growth model from the long-term and macro perspective to balance life protection and economic growth. The model construct the mechanism of PCI on economic growth through population dynamics and capital accumulation under the backdrop of RPC for PHEs. We find the conditions for PCI when the economy achieves steady state, and provides an algorithm establishing the optimal strategy that maximises per capita disposable income based on the optimal PCI and consumption. Simulation result quantifies an inverted U-shaped relationship between PCI and capital per capita, output per capita and consumption per capita in the steady state. The model suggests that, given the PHEs of inducing potential unemployment shock, it is worthwhile to combine the implementation of moderate PCI with coordinated policies of income distribution. Highlights • Building a Neoclassical economic growth model under public health events (PHEs). • Model links regular prevention and control (RPC) to macroeconomic factors. • Exploring mechanism of RPC for PHEs on economic growth. • Appropriate prevention and control intensity can engender economic growth.

In 1961, Nicholas Kaldor highlighted six \"stylized\" facts to summarize the patterns that economists had discovered in national income accounts and to shape the growth models being developed to explain them. Redoing this exercise today shows just how much progress we have made. In contrast to Kaldor's facts, which revolved around a single state variable, physical capital, our updated facts force consideration of four far more interesting variables: ideas, institutions, population, and human capital. Dynamic models have uncovered subtle interactions among these variables, generating important insights about such big questions as: Why has growth accelerated? Why are there gains from trade?

The paper studies the convergence and growth behavior of 11 Central and Eastern European members states of the European Union between 2000–2019, using a modified development accounting approach based on the neoclassical growth model. The main goal of the exercise is to decompose the still existing development gap relative to Western Europe (Austria) into three components: convergence, productivity, and long-run factors. The latter may include general institutional features such as population growth, or capital market imperfections measured by the capital wedge. The capital wedge is identified by leveraging the neoclassical growth model’s ability to explain the observed behavior of the capital-output ratio. The main conclusions are that for most countries, lower productivity and capital distortions are both important to understand underdevelopment. Economic policy, therefore, should primarily target productivity growth and a free and efficient capital market.

In this study, we are concerned with the existence and exponential stability issue of a delayed differential neoclassical growth model with discontinuous control strategy. By employing the Filippov’s theory and dichotomy theory, together with the Lyapunov functional method, novel criteria on existence and exponential stability are established for the addressed model. The established theoretical results extend and supplement the related results in the existing literature. Moreover, a simulation example is presented to verify the practicability of the proposed results.

We argue that the Cambridge capital theory controversies of the 1950s to 1970s were the latest in a series of still-unresolved controversies over three deep issues: explaining and justifying the return to capital; Joan Robinson's complaint that, due to path dependence, equilibrium is not an outcome of an economic process and therefore an inadequate tool for analyzing accumulation and growth; and the role of ideology and vision in fuelling controversy when results of simple models are not robust. We predict these important and relevant issues, latent in endogenous growth and real business cycle theories, will erupt in future controversy.

New research using data spanning centuries reveals the presence of very large energy efficiency rebound magnitudes, calling into question the energy use forecasts relied on by international bodies investigating climate change mitigation policy. This article uses those recent results to highlight and explain the key drivers that future energy modelers need to incorporate.