Fiscal counter-cyclical rules and their conflicting implications for growth and welfare

The paper examines the choices for fiscal stabilisation policy that maximise aggregate welfare and long-run growth. This is done in the context of a stochastic dynamic general equilibrium model where premeditated learning provides the engine of human capital accumulation and growth, and technology shocks provide the impulse source of fluctuations. Contrary to existing conventional wisdom, the results indicate a conflict between the two policy objectives: the choice of no stabilisation, associated with maximum growth, is also associated with minimum welfare. Welfare maximisation requires a full counter-cyclical response to the occurrence of business cycles. I am grateful to three anonymous referees for their constructive comments and suggestions. I would also like to thank Theodore Palivos, Keith Blackburn, seminar participants in Athens and Thessaloniki, and participants at the 2006 conference on Theories and Methods in Macroeconomics (Toulouse) and the 2007 conference of the Society for the Advancement of Economic Theory (Kos), for their valuables comments and suggestions on earlier drafts. Any errors and omissions are mine.     

To react or not? Technology shocks, fiscal policy and welfare in the EU-3

This paper develops a dynamic stochastic general equilibrium (DSGE) model to examine the quantitative macroeconomic implications of counter-cyclical fiscal policy for France, Germany and the UK. The model incorporates real wage rigidity and consumption habits, as the particular market failures justifying policy intervention. We subject the model to productivity shocks and allow policy instruments to react to the output gap and the debt-to-output ratio. A welfare analysis reveals that the most effective instrument-target combination is to use public consumption to stabilize the output gap. Moreover, welfare gains from counter-cyclical fiscal policy are much stronger in the presence of wage rigidities compared with consumption habits. Finally, since active policy and automatic stabilizers are substitutes, it is possible that relatively undistorted economies may be in need of countercyclical fiscal action due to inadequate automatic stabilizers.     

How does population aging affect the effectiveness of fiscal stimulus over the business cycle?

What is the impact of population aging on the effectiveness of fiscal stimulus over the business cycle? We address this question by estimating state-dependent fiscal multipliers in member countries of the Organisation for Economic Co-operation and Development (OECD). A government spending shock is identified as a forecast error of government spending and its output effect is estimated by using the local projection method. We find that there is no effect of population aging on output effects of fiscal spending shocks in expansionary times, whereas in recessions the output effects of fiscal spending shocks are weakened as population ages. This result points to important policy implications in that population aging would call for a larger fiscal stimulus to support aggregate demand during recession. Thus, this requires a larger fiscal space to allow for a wider swing of the fiscal position without creating concerns for fiscal sustainability.     

我国财政政策作用机制与经济周期波动的相关性研究

我国积极财政政策在总需求管理过程中起到了重要作用.通过判断我国财政政策工具和财政政策规模与经济周期波动之间的关联,描述结构VAR模型中财政政策的作用和反馈过程,我们发现我国积极财政政策操作过程中体现出了一定程度的相机选择性和对经济周期阶段的依赖性,这意味着在我国经济增长已经出现"软扩张"的经济周期态势下,应当适当调整财政政策的期限结构和政策工具,加强货币政策的组合作用,继续保持积极财政政策对国内产出的作用方向.     

Public spending, voracity, and Wagner's law in developing countries

An examination of the short- and long-term relation between government spending and output in 51 developing countries reveals evidence consistent with cyclical ratcheting and voracity reflected in a tendency for government spending to increase over time. The main components of government spending are procyclical in some 40% of countries. Output and government spending are cointegrated for at least one of the spending aggregates in 70% of countries, implying a long-term relationship between government spending and output consistent with Wagner's law. In contrast, prior studies have found only weak support for Wagner's law for developing countries, although somewhat stronger support for industrial countries.     

Nominal wage contracts, labor adjustment costs and the business cycle

Previous work of monetary dynamic stochastic general equilibrium models with nominal rigidity a la Taylor, particularly the Cho–Cooley model, was abandoned in favor of the New-Keynesian analysis due to the model's failure to deliver business cycle statistics that match the U.S. economy along some key dimensions. In this paper, we take a step in revitalizing the Cho–Cooley avenue of research. We add empirically plausible labor adjustment costs into a model with nominal wage rigidity and find that with labor adjustment costs our model is able to overcome some of the shortcomings otherwise present in the Cho–Cooley framework, specifically high standard deviations of real variables and a countercyclical productivity.     

Macroeconomic impacts of fiscal policy shocks in the UK: A DSGE analysis

This paper develops and estimates a new-Keynesian dynamic stochastic general equilibrium (DSGE) model for the analysis of fiscal policy in the UK. We find that government consumption and investment yield the highest GDP multipliers in the short-run, whereas capital income tax and public investment have dominating effect on GDP in the long-run. When nominal interest rate is at the zero lower bound, consumption taxes and public consumption and investment are found to be the most effective fiscal instruments throughout the analysed horizon, and capital and labour income taxes are established to be the least effective. The paper also shows that the effectiveness of fiscal policy decreases in a small open-economy scenario and that nominal rigidities improve effectiveness of public spending and consumption taxes, whereas decrease that of income taxes.     

Aggregate labor market fluctuations under news shocks

The standard RBC model fails to replicate the relationship between aggregate hours worked and average productivity. We propose a DSGE model that incorporates habit formation preferences, capital adjustment costs, and news shocks to solve the puzzle implied in the standard RBC model with only technological shocks. The aggregate labor supply curve is shifted due to the wealth effect caused by the variation of consumption under a news shock. Moreover, capital adjustment costs help amplify the variation of consumption, and thus the movement of the aggregate labor supply curve under the news shock. Also, the aggregate demand curve will be shifted, as it operates in the standard RBC model after the realization of the news shock. As a result of the joint movement of the aggregate labor supply curve and aggregate labor demand curve under the news shock, the model achieves a relationship quite close to the empirically observed relationship.     

Labor adjustment costs and complex eigenvalues

Aggregate variables display both persistence and damped oscillations in response to temporary external shocks. The standard real business cycles (RBC) model cannot explain these patterns, because its stable eigenvalues are positive and real. We demonstrate that this model with labor adjustment costs can yield complex eigenvalues. However, numerical experiments suggest that the model cannot display distinguishable damped oscillations of aggregate variables.     

Demand shocks and economic fluctuations

This paper studies conditions under which demand-side shocks can generate realistic business cycles in RBC models. Although highly persistent demand shocks are necessary for generating procyclical investment, variable capacity utilization and habit formation can reduce the required degree of persistence.     

湖北省财政科技投入机制创新研究

在借鉴国内外财政科技投入经验的基础上,对湖北财政科技投入结构、财政科技投入方式、财政科技资金分配方式3个方面进行了研究,提出了加快推进湖北财政科技投入机制创新的对策。     

Fiscal Policy,Public Debt and the World Crisis

This study summarizes a theory of the origin of the current world economic crisis and the role of fiscal policy in mitigating its effect. The perspective is dynamic stochastic general equilibrium analysis. Overall, the model analysis suggests a strong case for fiscal policy if the monetary authority is unable/unwilling to close the output gap. This remains the case, even when explicitly taking into account public debt dynamics.     

The dynamic effects of monetary policy and government spending shocks on unemployment in the peripheral Euro area countries

In this paper we study the response of unemployment to monetary policy and government spending shocks in the peripheral Euro-area countries. By applying the structural near-VAR methodology, we jointly model area-wide and national variables. Our main finding is that fiscal multipliers vary across countries and the results are consistent with the prediction of the standard New Keynesian model only in Italy and Greece. Instead, in Ireland, Portugal and Spain increases in government spending are recessionary. Thus we find that Keynesian results of fiscal policy seem to prevail in high public-debt countries, whereas non-Keynesian outcomes seem to characterize high private-debt countries. As for the monetary policy shock, we find that it plays an important role, jointly with the other area-wide shocks, as a long-term driver of national unemployment.     

财政分权、转换系数与经济增长

在古典增长模式和内生增长模式下,以往文献多是注重规模因素和供给层面对经济增长的决定作用。事实上,结构因素、需求层面和调控层面对经济增长的决定作用越来越居于主导地位。基于此,本文通过引入转换系数这个概念,构建了一个集规模因素与结构因素、供求力量与调控力量于一体的集成型经济增长模型;通过模型的模拟得出经济体系中的转换系数在现阶段对经济增速的影响最为显著;进而指出企业家是推动经济增长的中坚力量。另外,作为案例,本文综合计量和模拟等数学工具,就SARS对经济的冲击与政府抗击疫情和挽救市场进行了模拟。     

京津冀治理大气污染的财政金融政策协同配合

京津冀协同发展的根本取向是低碳绿色发展。以治理大气污染为导向,以能源革命为保障条件,带动经济社会全面、协调、持续发展,是京津冀协同发展的客观要求。治理京津冀大气污染,需要按照节能减排目标,淘汰落后产能,改造提升产业结构,调整优化能源结构,提高能源利用效率,控制和减少污染物排放。实现“治污带动发展,发展促进治污”的京津冀协同发展,不仅需要技术支持,更需要资金支持。在多渠道资金投入保障机制方面,必须搞好财政金融政策协同配合,在注重发挥财政政策引导能力和支持作用的同时,更加注重发挥市场的决定作用,发挥多层次资本市场融资功能,多渠道引导金融机构、实体企业、社会资金,积极投入到节能减排和产业结构改造升级中,为治理京津冀大气污染,实现京津冀协同发展提供相应的资金保障。     

封闭条件下财政政策效应及其制约因素的一般分析

自经济危机发生以来,世界各国纷纷采取以扩大内需为主旨的积极的财政政策。从目前来看,尽管其对提升信心。抑制经济的继续下滑起到了作用,但离我们的预期政策目标还有较大的距离。究其主要原因,我们认为,财政政策主要受经济制度的制约而未能有效地发挥其应有的效应。以西方宏观经济理论中封闭条件下三部门IS—LM模型为主要分析工具,从理论上分析了制约财政政策效应发挥的各个变量,并实践上对制约中国财政政策效应的因素进行了详细分析。     

Delivering endogenous inertia in prices and output

This paper presents a DGE model in which aggregate price level inertia is generated endogenously by the optimizing behavior of price-setting firms. All the usual sources of inertia are absent here i.e., all firms are simultaneously free to change their price once every period and face no adjustment costs in doing so. Despite this, the model generates persistent movements in aggregate output and inflation in response to a nominal shock. Two modifications of a standard one-quarter pre-set pricing model deliver these results: learning-by-doing and habit formation in leisure. While the model delivers persistence, simulations based on estimated shocks to tfp and money growth suggest both output and inflation are too volatile relative to the data and fail to closely follow the historical time series.     

Fiscal decentralization and political centralization in China: Implications for growth and inequality

China's current fiscal system is largely decentralized while its governance structure is rather centralized with strong top-down mandates and a homogeneous governance structure. Due to large differences in initial economic structures and revenue bases, the implicit tax rate and fiscal burdens to support the functioning of local government vary significantly across jurisdictions. Regions initially endowed with a broader nonfarm tax base do not need to rely heavily on preexisting or new firms to finance public goods provision, thereby creating a healthy investment environment for the nonfarm sector to grow. In contrast, regions with agriculture as the major economic activity have little resources left for public investment after paying the expenses of bureaucracy. Consequently, differences in economic structures and fiscal burdens may translate into a widening regional gap. Journal of Comparative Economics 34 (4) (2006) 713–726.     

量化宽松、财政赤字与美元资产安全

次贷危机爆发以来,美国采取了一系列货币和财政政策以拯救深陷泥潭的本国经济。美联储运用非常规政策工具向金融体系注入大量流动性资产,美联邦政府也大幅度提高了财政支出,使得财政赤字愈加恶化。在此背景下,美元资产的安全性成为投资者关注的焦点。本文分别从货币政策效果、财政赤字的可持续性以及投资主体等方面考察了美元资产的安全性,分析了美国宏观经济政策的实际作用,并从投资主体结构探讨了美国联邦政府的经济取向,最后以所涉及资产的市场表现回应美元资产安全问题。笔者认为,与其它货币资产相比,持有美元资产并不会承担额外的币种风险。     

财政分权、城乡收入差距与经济增长

利用1994年分税制后的经验数据,本文估计了一个包含增长方程、城乡收入差距方程和财政支出方程的联立方程模型,来估算财政分权对经济增长和城乡收入差距的影响。研究结果表明,财政分权使地方政府的财政支出显著增加,但财政支出的增加并不必然有利于经济增长和拉大城乡收入差距。如果在地方财政支出水平上升的同时,使科学教育和农业支出,特别是科学教育支出在总支出中的比重得以增加,将有可能在保持经济高增长的同时,使城乡收入差距得以缩小。