A note on the trade potential of Central and Eastern Europe

This paper discusses the results of recent studies which use the so-called ‘gravity’ approach to predict the potential volume and direction of the trade of Central and Eastern Europe (CEE). It also examines how the trade of the former socialist economies have evolved following external liberalization. It then compares the predictions made using the PPP based estimates of GDP for 1989 with actual 1992 trade data and the corrected predictions based on actual 1992 GDP figures. The results indicate that the CEE trade responded very quickly to the new regime and being redirected away from CMEA and towards EU markets. CEE's actual trade patterns do not now considerably differ from that of similar Western European countries. Moreover, the projection based on the data of 1992 do not indicate any remaining unused CEE trade potential.     

Tacit collusion in repeated auctions

This paper considers the question of tacit collusion in repeated auctions with independent private values and with limited public monitoring. McAfee and McMillan show that the extent of collusion is tied to the availability of transfers. Monetary transfers allow cartels to extract full surplus. A folk theorem proved by Fudenberg et al. (Econometrica 62 (1994) 997-1039) shows that transfers of future payoffs are almost as good if players are patient and communicate before auctions. We ask how the scope of collusion is affected if players dispense with explicit communication and their monitoring is limited. Collusion better than bid rotation is still feasible, but full surplus cannot be extracted. This constraint becomes less severe with more players and large cartels can become asymptotically efficient even with very limited monitoring.     

Economic freedom–growth nexus in European Union countries

This study examines the economic freedom and economic growth nexus in a panel of 28 European Union countries. We investigate the relationship between growth and different components of economic freedom, measured in five major areas of the Economic Freedom of the World index. The aim of the article is to assess which aspects of economic freedom – and to what extent – contribute to economic growth in the EU. Our empirical analyses suggest that the results are sensitive to the method of estimation. Using the Generalized Method of Moments estimator which allows addressing endogeneity, we found a positive relationship between economic growth and four of the five aspects of economic freedom: security of property rights, quality of monetary policy, freedom to trade and regulatory policies.     

Consumer debt attitudes: The role of gender,debt knowledge and skills

The link between financial attitudes and consumer financial market behaviour is well documented. However, little is known about the role of financial knowledge and skills—the main components of the financial literacy construct—in shaping debt attitudes. This link is especially absent from the gender perspective. This study focuses on consumer debt literacy and debt attitudes. A representative sample of adult Poles (N = 1,004) was participated in a computer‐assisted telephone interview. Latent class analysis was employed to reveal their debt attitudes, and subsequently, links between debt literacy and debt attitudes were studied with multinomial regression models. The results show that respondents in Poland can be grouped into five classes exhibiting different attitude profiles. The structure of debt attitudes is complex and differs from a simple unidimensional pro‐debt/ anti‐debt construct. Although this study did not find significant gender differences either in the conceptualization of debt attitudes or in their drivers, the results showed that in all but one class, consumer attitudes are strongly linked to either debt knowledge or debt skills or to both. Debt skills were revealed to be a particularly strong predictor of consumer debt attitudes.     

Why do global long‐term scenarios for agriculture differ? An overview of the AgMIP Global Economic Model Intercomparison

Recent studies assessing plausible futures for agricultural markets and global food security have had contradictory outcomes. To advance our understanding of the sources of the differences, 10 global economic models that produce long‐term scenarios were asked to compare a reference scenario with alternate socioeconomic, climate change, and bioenergy scenarios using a common set of key drivers. Several key conclusions emerge from this exercise: First, for a comparison of scenario results to be meaningful, a careful analysis of the interpretation of the relevant model variables is essential. For instance, the use of “real world commodity prices” differs widely across models, and comparing the prices without accounting for their different meanings can lead to misleading results. Second, results suggest that, once some key assumptions are harmonized, the variability in general trends across models declines but remains important. For example, given the common assumptions of the reference scenario, models show average annual rates of changes of real global producer prices for agricultural products on average ranging between ?0.4% and +0.7% between the 2005 base year and 2050. This compares to an average decline of real agricultural prices of 4% p.a. between the 1960s and the 2000s. Several other common trends are shown, for example, relating to key global growth areas for agricultural production and consumption. Third, differences in basic model parameters such as income and price elasticities, sometimes hidden in the way market behavior is modeled, result in significant differences in the details. Fourth, the analysis shows that agro‐economic modelers aiming to inform the agricultural and development policy debate require better data and analysis on both economic behavior and biophysical drivers. More interdisciplinary modeling efforts are required to cross‐fertilize analyses at different scales.     

In Search of an Appropriate Lower Bound. The Zero Lower Bound vs. the Positive Lower Bound under Discretion and Commitment

Using a standard New Keynesian model, we show that moderate side effects of zero lower bound (ZLB) policy suffice for positive lower bound (PLB) policy to pay off in terms of welfare, especially when central banks fail to commit. For given side effects of the ZLB, as the shock that makes the ZLB bind becomes larger and more persistent, the dominance of PLB policy over ZLB policy becomes more likely. The findings hold for flexible and rigid economies with both fast and slow potential output growth and low and high inflation targets.     

Organizational restructuring in response to changes in information-processing technology

This paper examines the effects of changes in information-processing technology on the efficient organizational forms of data-processing in decision-making systems. Data-processing is modelled in the framework of the dynamic parallel processing model of associative computation with an endogenous set-up costs of the processors. In such a model, the conditions for efficient organization of information-processing are defined and the architecture of the efficient structures is considered. It is shown that decreasing returns to scale of the function describing data- processing technology and the information overload of the system are necessary and sufficient conditions for the hierarchical information- processing, respectively. Moreover, the size of the efficient structures is determined exclusively by their information workload and the current state of information-processing technology. Received: 5 June 1996 / Accepted: 17 June 1999     

Comparing supply‐side specifications in models of global agriculture and the food system

This article compares the theoretical and functional specification of production in partial equilibrium (PE) and computable general equilibrium (CGE) models of the global agricultural and food system included in the AgMIP model comparison study. The two model families differ in their scope—partial versus economy‐wide—and in how they represent technology and the behavior of supply and demand in markets. The CGE models are “deep” structural models in that they explicitly solve the maximization problem of consumers and producers, assuming utility maximization and profit maximization with production/cost functions that include all factor inputs. The PE models divide into two groups on the supply side: (1) “shallow” structural models, which essentially specify area/yield supply functions with no explicit maximization behavior, and (2) “deep” structural models that provide a detailed activity‐analysis specification of technology and explicit optimizing behavior by producers. While the models vary in their specifications of technology, both within and between the PE and CGE families, we consider two stylized theoretical models to compare the behavior of crop yields and supply functions in CGE models with their behavior in shallow structural PE models. We find that the theoretical responsiveness of supply to changes in prices can be similar, depending on parameter choices that define the behavior of implicit supply functions over the domain of applicability defined by the common scenarios used in the AgMIP comparisons. In practice, however, the applied models are more complex and differ in their empirical sensitivity to variations in specification—comparability of results given parameter choices is an empirical question. To illustrate the issues, sensitivity analysis is done with one global CGE model, MAGNET, to indicate how the results vary with different specification of technical change, and how they compare with the results from PE models.     

Wages and wage growth in Poland: The role of foreign direct investment

In recent years Poland has received substantial inflows of foreign direct investment. This paper combines detailed labour market data with industry data from the Polish manufacturing sector to examine the effects of foreign direct investment inflows on wages and wage growth. The empirical evidence we assemble suggests that workers in industries with greater foreign presence enjoy higher wages and higher wage growth. This effect appears to be robust to a variety of empirical approaches, estimation techniques and specification checks.
JEL classification: F23, J31, 019, P33.