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121.
Other-regarding preferences or decision errors are the main explanations put forward to justify contributions exceeding the
non-cooperative optimum in VCM games. An alternative rationale relies on ambiguity aversion. Ambiguity aversion increases
the perceived marginal benefit of own contributions, which in equilibrium will exceed the Nash level. We present a series
of experiments testing this hypothesis. To control for other-regarding preferences, we run a two-player game in which a human
player plays with a virtual agent. Players are assigned either to a risky setting (known probabilities of opponent’s choices)
or to an ambiguity setting (probabilities of opponent’s contribution are vague). Results show that ambiguity affects contributions.
However, attitude to ambiguity appears to be affected by the location of the aggregate Nash optimum inside the decision space. 相似文献
122.
This paper aims to provide institutional explanations for the development of performance-based budgeting (PBB). Particularly, we explore the tensions between converging and diverging pressures. By analysing PBB in two countries with significant experience with it, Finland and Sweden, the research explains why we observe only evolutionary changes in actual budgetary practices. Indeed, the introduction of this practice is part of a global reform process undertaken over decades by public sector organizations. Nevertheless, the countries still struggle with PBB and, despite global converging pressures, diverging pressures shape its development, challenging its implementation and use, and paving the way for evolutionary changes. 相似文献
123.
In this paper, we analyze the dynamics of a monopoly model with constant elasticity in which the monopolist faces a form of bounded rationality due to limited accessibility to information. We assume the firm adopts a gradient mechanism to adjust the output level, and we investigate how the introduction of fixed and continuously distributed delays within the resulting continuous-time system may affect the long-run dynamics. We find that the stability of the equilibrium depends on the weighting function adopted to model continuously distributed delays, and the convergence of the realized output toward the steady state is crucially affected by the choice of the delay type which, in turn, reflects the availability and the weight assigned to information. Indeed, depending on the assumptions on modeling delays, the equilibrium point may undergo a Hopf bifurcation after which a limit cycle arises. 相似文献
124.
In this article, we analyse a duopolistic Cournotian game with firms producing differentiated goods, marginal costs are constant and demand functions are microfounded. We consider firms adopting different decisional mechanisms which are based on a reduced degree of rationality. In particular, we assume that a firm adopts the local monopolistic approximation approach, while the rival adjusts its output level according to the gradient rule. We provide conditions for the stability of the Nash equilibrium and investigate some bifurcation scenarios as parameters vary. The main finding of the article is that both a high level and a low level in goods differentiation may have a destabilising role in the system. 相似文献
125.
Ermanno Catullo Antonio Palestrini Ruggero Grilli Mauro Gallegati 《Journal of Economic Interaction and Coordination》2018,13(1):81-115
Credit network configurations play a crucial role in determining the vulnerability of the economic system. Following the network-based financial accelerator approach, we constructed an agent based model reproducing an artificial credit network that evolves endogenously according to the leverage choices of heterogeneous firms and banks. Thus, our work aims at defining both early warning indicators for crises and policy precautionary measures based on the endogenous credit network dynamics. The model is calibrated on a sample of firms and banks quoted in the Japanese stock-exchange markets from 1980 to 2012. Both empirical and simulated data suggest that credit and connectivity variations could be used as early warning measures for crises. Moreover, targeting banks that are central in the credit network in terms of size and connectivity, the capital-related macro-prudential policies may reduce systemic vulnerability without affecting aggregate output. 相似文献
126.
In this paper we analyze the generation of endogenous growth and irregular fluctuations in a simple New Keynesian model whose background assumptions are borrowed from a class of asymmetric information models popularized by Greenwald and Stiglitz. We extend the framework put forward by Greenwald and stiglitz taking explicitly into account technological progress as the engine of growth. We show how irregular endogenous fluctuations can arise around an endogenous trend: the traditional view of fluctuations as 'short run' phenomena must be abandoned in favour of models of fluctuating growth. 相似文献
127.
We present an overlapping generation growth model with an imperfect labor market where the links among crime, growth and unemployment are jointly considered, both in an endogenous and exogenous set‐up. We test the major implications of our theory and verify the two model specifications through the Italian regional data, using the Pooled Mean Group estimator proposed by Pesaran, Shin and Smith (1999 ). The empirical results are in favor of the exogenous version of the model and suggest that crime and unemployment have long‐run income level effects. 相似文献
128.
We set up a theoretical framework to analyse the role of economic growth and technological progress in the erosion of social capital. Under certain conditions on parameters, the relationship between technological progress and social capital can take the shape of an inverted U curve. Furthermore, we show the circumstances that allow the economy to follow trajectories where the stock of social capital grows endogenously and unboundedly. 相似文献
129.
Schumpeter on unemployment 总被引:1,自引:1,他引:0
Joseph Alois Schumpeter’s approach to the phenomenon of unemployment differs strongly from the traditional classification
with its strict distinctions between frictional, cyclical and structural unemployment. By relating these three categories
to his theory of creative destruction, Schumpeter collapsed them all into one: technological unemployment. In our paper, we
provide a systematic overview and discussion of Schumpeter’s varied writings on unemployment, from 1908 to 1954. We compare
his view with the positions of some of his contemporaries, such as Wicksell, Hicks, Beveridge and Keynes. Finally, we discuss
to what extent recent writers, such as Aghion, Howitt and Caballero, have integrated Schumpeter’s approach into modern macroeconomics. 相似文献
130.
The paper explores the connection between the natural rates of unemployment and interest first put forward in the literature by Dennis Robertson in the 1930s. This looks at monetary dynamics in the business cycle and assesses the Robertsonian contribution to developments in macroeconomics before and after Keynes's General Theory. Robertson showed how unanticipated price level changes affect supply and demand in the labour market, as well as the saving–investment process in the credit market. Robertson's approach to economic policy was that of getting the relations right between cyclical changes in prices, output and employment and their long-run equilibrium values over time. 相似文献