Pricing multi-class network services using the Shapley Value

This paper investigates pricing issues in class-based networks. Classes of packets having lower impatience and longer average delay receive monetary compensations. The inter-class price differential is determined by the inter-class compensations. The paper also presents rules for allocating network resource to each class. The corresponding payoff (disutility share) for each class is driven by the Shapley Value of the associated cooperative game.     

Early Experiences of the Enforcement of the Unfair Commercial Practices Directive in Scotland

This exploratory study examines the early impact of the Unfair Commercial Practices Directive 2005/29/EC on enforcers in Scotland within the context of current policy developments regarding the use of civil and criminal enforcement mechanisms within the UK. The Directive has been implemented in the UK by means of the Consumer Protection from Unfair Trading Regulations 2008 SI 1277 and the duty to enforce the Regulations falls primarily to local authority trading standards services. Twenty-one in-depth interviews were conducted with a range of officers employed within the trading standards service based in eight local authorities in Scotland on their perceptions of the new Regulations. The main findings were that officers’ views of the new Regulations and the civil and criminal enforcement routes available to them was affected by structural, operational, and cultural issues which varied from one authority to another. A number of officers were finding the Regulations a challenge to old ways and there was evidence that many felt unprepared for the Regulations. A number of positive views were expressed regarding the flexibility of the new Regulations and the advantages of the provisions relating to misleading omissions. Overall officers’ experiences of the Regulations were heavily influenced by the complaints received by their particular local authority service.     

Customer Centric Company

Literaturhinweise

Customer centric company     

Revised HWWA commodity price index

The pattern of international trade is changing constantly. The HWWA Index of World Market Prices of Commodities, which is weighted by imports, therefore needs to be adapted from time to time in order to preserve its relevance as an indicator of price trends in international commodity markets. It is now (as of September 2003) published with updated weights based on 1999–2001 import values and with a new price basis (2000=100).     

Sustainability and consumption

We consider the implications of the three pillars of sustainability (environment, economy and social justice) on consumption in a wealthy country. Building a theoretical model that includes consumers, business, government, the environment, and economic and political relations between nations, we explore how sustainability should affect the consumption behavior of consumers, charitable aid to poorer countries, and responsible environmental practices by businesses. Our model enables us to provide normative implications for consumers, society and business. Importantly, we assume that all stakeholders will optimize their self-interest, and that altruism will only partly explain behavior consistent with sustainability. Among the more non-obvious findings are that (1) the poorer the poor countries are, the less the rich countries should consume, (2) the more sensitive the global political climate is to economic inequity between the rich and poor nations, the less the rich countries should consume, and (3) if aid to poor countries is effective enough, then the more materialistic the society is, the more charitable aid it should give. We also confirm a number of more intuitive findings, such as that business should use more green technology as the taxes on pollution and/or efficiency of green technology increase, and the more resource-intensive consumption is, the less consumers should consume. Taken as a whole, the findings imply that societal consumption patterns should be sensitive to aspects of environmental impact and social justice, even if altruistic motivations are absent.     

Financial liberalization and sectoral reallocation of capital in South Africa

We examine the impact of financial reforms on efficient reallocation of capital within and between sectors in South Africa using firm-level panel data for the period 1991–2008. The measure of efficient allocation of capital is based on the Tobin’s Q. We find that financial reforms are associated with improvements in within-sector, but not between-sector allocation of capital. These results imply that for South Africa to unleash the potential for take-off that is often associated with reallocation of resources from the primitive to modern sectors, reforms that focus beyond the financial sector are necessary. While more research is necessary to determine what would fully constitute such additional reforms, our analysis shows that reforms that improve the quality of economic institutions may be a step in the right the direction.     

Is time-variant information stickiness state-dependent?

This paper estimates information stickiness with regard to inflation expectations in the United States and the Eurozone for the 1981/06–2015/12 and 1998/Q4–2015/Q2 periods, respectively, and further investigates whether such information stickiness is state-dependent. Based on a bootstrap sub-sample rolling-window estimation, we find that information stickiness varies over time, which contradicts the strict time dependency implied under sticky-information theory. We provide evidence that information stickiness depends on inflation volatility, which indicates that information stickiness is state-dependent and that it has a time trend. Using a threshold model, we estimate structural changes in the state-dependence and time-trend of information stickiness. The results show that information stickiness has been more dependent on inflation volatility and has had a higher time-trend in both regions following the 2008 financial crisis.     

Real interest rates: nonlinearity and structural breaks

Real interest rate is a crucial variable that determines the consumption, investment and saving behavior of individuals and thereby acts as a key policy tool that the central banks use to control the economy. Although many important theoretical models require the real interest rates to be stationary, the empirical evidence accumulated so far has not been able to provide conclusive evidence on the mean reverting dynamics of this variable. To resolve this puzzle we re-investigate the stochastic nature of the real interest rates by developing unit root tests for nonlinear heterogeneous panels where the alternative hypothesis allows for a smooth transition between deterministic linear trends around which stationary asymmetric adjustment may occur. When the newly developed panel unit root tests are applied to the real interest rates of the 17 OECD countries, we were able to uncover overwhelming empirical support in favor of mean reversion in the short-run and long-run real interest rates. Therefore, these results show that the conclusions drawn from a miss-specified test that ignores the presence of either nonlinearity, structural breaks or cross sectional dependence can give quite misleading results about the stochastic behavior of the real interest rates.     

The law and economics of sycophancy

Tullock (in: Rowley (ed) The selected works of Gordon Tullock, Liberty Fund, Indianapolis, pp 399–455, 2005) was skeptical of the presumed economic efficiency of the common law, as adversarialism, apparently inherent to common law procedures, allowed for and was prone to litigiousness. Common law litigations accord to patterns of rent-seeking, as litigants invest ever more resources to assure victory. This paper asks if viable institutional solutions can emerge to resolve the problem Tullock identified. I survey the historical development of the term sycophancy within ancient Greek law as a revealing case study. Though a relatively innocuous pejorative in contemporary parlance, the term’s etymological roots stem from a formative process of ancient legal and institutional change within Athenian Greece. In the wake of specific legal reforms that expanded the scope of governmental authority under Solon (born 638–558 BCE), citizens were given explicit financial incentive to report violators of newly implemented public laws. Thereafter, social stigma surrounding third party legal representation leveraged the term sycophancy in reference to prosecutors motivated by private interests over the public welfare. Forgone social status and eventually formal criminal sanction emerged as offsetting differentials against the incentives of sycophancy.