Competition in the traditional sector does not matter for the ‘Core–Periphery’ model

We modify Paul Krugman’s (1991) ‘Core–Periphery’ model by replacing the traditional competitive sector with a monopolistically competitive one. We show that the structure of spatial equilibria remains the same as in the original model. This result continues to hold true under Cournot or Bertrand oligopolistic competition with free entry in the traditional sector. The key factor that explains why the nature of competition in the traditional sector does not matter for the spatial equilibria is constant expenditure shares–due to nested Cobb–Douglas and CES preferences–which imply that trade in the traditional sector is independent from its sectoral characteristics.     

Which business model for e-book pricing?

We characterize and compare equilibrium pricing strategies in a marketing channel in two scenarios. In the first scenario, the manufacturer chooses the wholesale prices of the two versions of a product, i.e., tangible and digital. and the retailer their prices to consumer. In the second scenario, the players use a revenue-sharing contract for only the digital version, while the competing version is managed by a wholesale price contract. The problem is inspired from a pricing controversy in the e-book industry.     

A grey dynamic model for the evaluation of regional sustainable development and its empirical study

Currently, traditional development issues, such as economic stagnation, as well as new challenges like environmental degradation and globalization, need attention. Sustainable development, including economic, environmental, and social elements, is a main goal of decision-makers. The key to sustainable decision-making is to evaluate and forecast the status quo of sustainable development. Policy makers need a tool based on scientific information to forecast the effects of future actions on sustainability and make policies for sustainable development. This paper analyzes the relation of the economy, environment and social welfare by the grey dynamic model. The proposed method uses time series and basic indicators of ecological system, including economic, environmental and social sub-systems. It is applied to Heilongjiang Province and Jiangsu Province. The results have proved different status quo of sustainable development in these two regions, and suggestions are proposed, such as optimization of industrial structure and eco-industrial development. The conclusion is that there is no unique sustainable path, and accordingly, policy makers should choose different criteria and strategies to make efficient sustainable decisions for each region.     

Does the dutch model really exist?

The policy that led from the "Dutch disease" (in the 1980s) to the "Dutch miracle" (in the 1990s) consists of three tracks: wage moderation, retrenching public expenditure and reducing the tax burden, and slimming the welfare system. The wage moderation track seems to have been the most important. The term "Dutch model" refers to the socioeconomic system of the Netherlands. Most observers point particularly to the relatively low unemployment rate to indicate the success of this model. However, the economic inactivity rate in the Netherlands is not lower than in neighboring countries. This suggests that open unemployment in the Netherlands has been partly replaced with hidden unemployment. In particular, the disability scheme seems to contain a large component of hidden unemployment. Another feature of the Dutch model is its consensus-seeking nature, which is fostered by its institutional structure.     

Hollander, de Vivo and the 'further evidence' for the corn model interpretation of Ricardo: a conspiracy of silence?

This paper reconsiders the debate between de Vivo and Hollanderover the ‘further evidence’ in favour of Sraffa's‘corn model’ interpretation of Ricardo in the lightof Torrens's Letter to Lord Liverpool (1816). It is argued thatthe Letter provides unique evidence of the influence on Torrensof Ricardo's Essay on Profits (1815); and that, contrary tode Vivo, the evidence is not that of a ‘corn model’influence. It is further argued that the manner in which theLetter has been dealt with is unsatisfactory. The shortcomingsin Hollander's position are traced to peculiarities in his long-standinginterpretation of the early Ricardo.     

Estimating the Heckscher–Ohlin model: Inverting the inverse matrix

This paper estimates the Heckscher–Ohlin model with annual US data from 1949 to 2006 for outputs of manufactures and services with inputs of fixed capital assets and the labor force. Difference equation and error correction regressions provide estimated coefficients for the comparative static system. Tariffs on manufactures primarily raise the capital return in the estimated Stolper–Samuelson results. Factor price equalization does not hold for labor and capital. Inverting the estimated system inverse matrix provides evidence on production. The suggestions are capital biased production of manufactures, strong substitution of capital for labor, and strong labor substitution in manufactures.     

A model of techno-economic evaluation for eco-industrial park project

An eco-industrial park or estate is a community of manufactaring and service businesses located together on a common property. The goat of ElP is to create a win-win harmonious development aspect of ecooomic development and environmental protection. This paper emphasizes that the external .effect of an EIP is its main characteristic of technoeconomic evaluation for eco-industrial park project. From the view of the property, rights, the EIP＇s product is typicalty public-private. The government should take some inca.rares for the quantitative analysis on ecological positive externalities of the enterprises in EIP, and also should adopt Coase＇s Theorem, which supports that the market transaction is the best way to deal with positive externalities （external economics or diseconoraics）, or Pigou＇s Theorem, which holds that the government anti-positive externalities programs are the best way to cope with positive externalities, to internalize the EIP＇s external effects, which is also a fundamental tool to encourage investors to actively invest in EIP projects, Furthermore. this paper thinks that the EIP ＇s income should be equal to the income of staple products of the private property, and that of its by-products of the public property. According to this principle, this paper has put forward three major indicators, net present value （NPV）, internal rate of renan （IRR）, and investment repayment period （IRP）, which are also extensively used indicators in ardinary project techno-economic evaluation model to evaluate EIP technoeconomic effects. Theoretically, the indicatory not only can be used in EIP project evaluation, but also can provide a quantitative measure toot for the government to support EIP＇s construction to the maximum. In the end. a case is analyzed.     

A generalization of the Cairns–Krautkraemer model and the optimality of the mining rule

There exists a rule of thumb of mines, which decides how the cut-off grade (the lowest grade of extracted ore) should change in response to a change in the price of the metal. It requires that the cut-off grade should decrease (increase) when the present value price of metal increases (decreases). In this paper, the optimality of the rule will be examined by generalizing the Cairns–Krautkraemer model under the perfect foresight assumption.     

Dynamic simulating model of the field resources utilizing system

In views of system theory, information theory and cybernetics, this paper utilizes the method of the system dynamics to create the field resources utilizing system main diagram of causation and system dynamic following diagram, uses the Dynamo computer language to construct the dynamic emulating model, and with the help of computer, completes the computer dynamic simulating of the field resources utilizing system. This paper utilizes the method of AHP （analytical hierarchy process） to seek for the most excellent program of Nanpi County＇s field resources utilizing structure. So we can provide scientific basis for leaders to make scientific management and strategic decision and the limited field resources will bring out the most benefit for society, economics and ecological.     

Testing the Uzawa–Lucas model with OECD data

The paper tests the Uzawa–Lucas model of endogenous growth using a modified Granger-causality test and panel data for 20 OECD countries. The results favour the human capital augmented endogenous growth model against both the exogenous growth model à la Solow and endogenous growth models of the AK type.     

Interval programming model for risk-based partner selection of virtual enterprise

The problem of risk-based partner selection of virtual enterprise is investigated. By choosing optimal partner for each project task, the project risk is minimized. The risk parameters are expressed in the form of interval numbers when the precise values are difficult to obtain, and the model is formulated into a 0-1 nonlinear programming with interval coefficients in its objective function. In order to solve the problem, the definition of order relation between interval numbers is given, and the original model is converted into an equivalent crisp bi-objective programming model. Because of the highly constrained nature and multiple objective of the model, a genetic algorithm is proposed to find the set of Pareto or near Pareto optimal solutions. The approach is demonstrated by some numerical examples, and the result shows that the suggested approach has high efficiency and the model has potential to practical applications.     

Will the consumption externalities' effects in the Ramsey model please stand up?

According to the prior literature, in a Ramsey model, consumption externalities have no impact on steady state behavior, once labor supply is exogenous. In contrast, this paper argues that — in the presence of technical change — consumption externalities always affect steady state behavior, via their impact on the elasticity of marginal utility of consumption.     

A closed-form solution to the transitional dynamics of the Lucas–Uzawa model

This paper studies how the intertemporal allocation determines the transitional dynamics to a given steady state and the long-term growth of an economy. Our main contribution consists in determining the solutions path for all the variables of the model, under fairly general conditions on σ and β.     

Testing the Bhaduri–Marglin model with OECD panel data

The Bhaduri–Marglin model is a post-Kaleckian model that allows one to study the impact of a functional income distribution on the growth in demand. Over recent years, a number of empirical studies based on this model have aimed at determining whether a redistribution towards profits harms or fosters demand growth. The focus so far has been on a very limited number of countries. This paper is the first to test the Bhaduri–Marglin model with panel data. It finds that demand growth is reduced by a redistribution towards profits in the average OECD country. Productivity growth is also impaired.     

Can we reject linearity in an HAR-RV model for the S&P 500? Insights from a nonparametric HAR-RV

This article tests the linearity assumption underlying the popular heterogeneous autoregressive model for realized volatility (HAR-RV). We implement a consistent model specification test that is robust to both distributional and model misspecification. We find that, using a nonparametric HAR-RV (NPHAR-RV), we are unable to reject the null of linearity.     

Study on the evaluation system for the cleaner production of the mine

It is important to establish the evaluation system of the cleaner production of the mining enterprise, which canprovide the technical support and guidance for the cleaner production evaluation and facilitating the promotion ofcleaner productive techniques so as to realize the integration of economic development and environmental protection.This paper, according to the characteristic of mining and Analytic Hierarchy Process （AHP）, establishes the evaluationindex system, puts forward the overall quantitative evaluation method based on Fuzzy Mathematics and the experts’experience, and establishes the evaluation system of cleaner production. The main problems in cleaner production of themine are analyzed by calculation, and some countermeasures and suggestions are proposed.     

Regulation Issues for the Internet Market

Regulation of Internet market attracts more and more scholars and governments＇ attention as the Internet＇s commercial potential is displayed worldwide. Key characteristics of Internet market prove there are also market failures in Internet market, so regulation is an avoidable issue for the Internet market. Policy approaches relating to competition, intellectual property, and information privacy are three key areas of regulation that the paper emphasizes. The paper also analyzes the current regulation practices carried by some developed countries and calls for countries to cooperate and coordinate thus build a legal and fair environment for the Internet market.     

One model fits all? — On the moderating role of emotional engagement and confusion in the elicitation of preferences for climate change adaptation policies

Environmental economic and psychological studies often implicitly assume homogeneity of respondents' decision strategies in questionnaire-based surveys. However, social psychology and behavioural research suggest that there is a wide variety of approaches that individuals use to make such choices.We explore this heterogeneity against the backdrop of so-called ‘dual process models’, analysing participants' responses in a survey of public beliefs about and preferences for climate change adaptation policies. We find that the postulate of two different types of decision-making, the systematic-analytical and the heuristic-holistic, does indeed help us to understand patterns in respondent behaviour that are, in turn, underpinned by respondents' motivation and ability to process information. Participants who were motivated and able to process the information provided were more likely to express preferences in line with their beliefs about adaptation policies, whereas those less motivated and more confused were more likely to use generalised rules-of-thumb that were not specific to the policy issue at hand. Depending on the theoretical framework of a study, such heterogeneity in response consistency and use of generic rules-of-thumb might have implications for the usefulness of survey outcomes. We discuss the implications of our findings, and draw conclusions for survey-based environmental research.