The Bargaining–sales‐delegation Game

This article revisits the managerial delegation literature led by Vickers ( 1985 ), Fershtman and Judd ( 1987 ) and Sklivas ( 1987 ) by introducing a bargaining mechanism between owners and managers over managerial contracts. It shows that the degree of bargaining interacts with the extent of product differentiation in determining whether the sub‐game perfect Nash equilibrium is sales delegation or profit maximisation. In contrast with the classical result, no sales delegation emerges and the typical prisoner's dilemma of the managerial delegation literature is solved. This holds in both contexts of Cournot and Bertrand rivalries. The article also provides results for the more general cases with heterogeneous managerial bargaining power and endogenous decisions of the owners regarding the bargaining power of the manager that should be or not be hired in a firm. Copyright © 2016 John Wiley & Sons, Ltd.     

Managerial Delegation Theory Revisited

This article challenges the results of the ‘classical’ managerial delegation literature, where it is assumed that the weight of the managerial bonus only depends on the owner's will to maximise his own profits. By considering sales (S) (resp. relative profit (RP)) contracts, the received literature has found that (S,S) (resp. (RP,RP)) is the unique pure‐strategy sub‐game perfect Nash equilibrium in a game that contrasts S (resp. RP) with pure profit maximisation (PM). This article shows that none of the previous results may hold when the owner negotiates about managerial compensation with his manager. Copyright © 2016 John Wiley & Sons, Ltd.     

Amino acid formula as a new strategy for diagnosing cow’s milk allergy in infants: is it cost-effective?

Aims: To estimate the cost-effectiveness of a new strategy that uses an amino acid formula in the elimination diet of infants with suspected cow’s milk allergy (CMA).

Materials and methods: This pharmacoeconomic study was developed from the perspective of the Brazilian Public Healthcare System. The new strategy proposes using an amino acid formula in the diagnostic elimination diet of infants (≤24 months) with suspected CMA. The rationale is that infants who do not respond to the amino acid formula do not suffer from CMA. Patients with a positive oral challenge test receive a therapeutic elimination diet based on Brazilian Food Allergy Guidelines. This approach was compared to the current recommendations of the Brazilian Food Allergy Guidelines. A decision model was constructed using TreeAge Pro 2012 software. Model inputs were based on a literature review and the opinions of a panel of experts. A univariate sensitivity analysis of incremental cost-effectiveness ratios was performed.

Results: The mean cost per patient of the new amino acid formula strategy was R$3,341.57, while the cost of the current Brazilian guidelines strategy was R$3,641.08. The mean number of symptom-free days per patient, which was used as an indicator of effectiveness, was 900.6 and 875.7 days, respectively. The new strategy is, therefore, dominant. In the sensitivity analysis, the dominance was maintained with parameter variation.

Limitations: In the absence of information in the literature, some premises were defined by a panel of specialists.

Conclusions: The new strategy, which uses an amino acid formula in the elimination diagnostic diet followed by an oral food challenge, is a dominant pharmacoeconomic approach that has a lower cost and results in an increased number of symptom-free days.     

Increasing inequality,consumer credit and financial fragility in an agent based macroeconomic model

We investigate the interplay between increasing inequality and consumer credit in a complex macroeconomic system with financially fragile heterogeneous households, firms and banks. Simulation results show that there are pros and cons of introducing consumer credit: on the one hand, for a certain time, it leads to lower unemployment through boosting aggregate demand; on the other hand, it accelerates the system tendency to the crisis. Since the increase of financial profits goes with a decline of households’ real wealth, a policy trade-off emerges.     

Rock around the clock: An agent-based model of low- and high-frequency trading

We build an agent-based model to study how the interplay between low- and high-frequency trading affects asset price dynamics. Our main goal is to investigate whether high-frequency trading exacerbates market volatility and generates flash crashes. In the model, low-frequency agents adopt trading rules based on chronological time and can switch between fundamentalist and chartist strategies. By contrast, high-frequency traders activation is event-driven and depends on price fluctuations. High-frequency traders use directional strategies to exploit market information produced by low-frequency traders. Monte-Carlo simulations reveal that the model replicates the main stylized facts of financial markets. Furthermore, we find that the presence of high-frequency traders increases market volatility and plays a fundamental role in the generation of flash crashes. The emergence of flash crashes is explained by two salient characteristics of high-frequency traders, i.e., their ability to i. generate high bid-ask spreads and ii. synchronize on the sell side of the limit order book. Finally, we find that higher rates of order cancellation by high-frequency traders increase the incidence of flash crashes but reduce their duration.     

Imports and Exports at the Level of the Firm: Evidence from Belgium

This paper explores a newly available panel dataset merging balance sheet and international trade transaction data for Belgium. Both imports and exports appear to be highly concentrated among few firms and seem to have become more so over time. Focusing on manufacturing, we find that facts previously reported in the literature as applying only to exports actually apply to imports too. We note that the number of trading firms diminishes as the number of export destinations or import origins increases. The same is true if we consider the number of products traded. Our results generally point to a process of self‐selection in both export and import markets. Also, the productivity advantage of exporters reported in the literature may be overstated because imports were not considered. We find that firms that both import and export are the most productive, followed, in descending order, by importers only, exporters only and non‐traders. Our results also show the existence of fixed costs of imports, which appear to be of similar magnitude as those of exports.     

Correction to: Mis-measurement of inequality: a critical reflection and new insights

Journal of Economic Interaction and Coordination - In the original publication of the article, caption of Figure 3 on the third page of Sect. 4.1 was incorrectly published as.     

The importance of advertising skepticism for brand extension appeals

According to existing research, ad persuasiveness decreases as advertising skepticism (i.e., the tendency to disbelieve advertising claims) increases. What remains unclear, however, is whether or not this effect extends to brand extension appeals. We suggest that the effect may vary according to brand extension similarity. Three studies test this assertion while providing process evidence and boundary conditions for the proposed effect. According to the findings, consumers automatically transfer associations from parent brands to highly similar extensions or automatically block these associations in the case of highly dissimilar extensions—reducing the impact of advertising skepticism on ad persuasiveness. At moderate levels, however, extension similarity is less predictive of the transfer process, increasing the negative effect of advertising skepticism on persuasion. Consistent with this account, the results identify brand transfer (i.e., the ability of the parent brand to make the extension) as the underlying mechanism explaining the advertising skepticism effect for moderately similar brand extension appeals. Furthermore, the results show how marketers can reduce these effects, and increase extension success, by emphasizing extension attributes that are shared with the parent brand. Collectively, these results provide a unique theoretical view, improving our understanding of advertising skepticism and the drivers of brand extension success.     

Import substitution and economic growth

Despite Latin America's dismal performance between the 1950s and 1980s, the region experienced strong capital deepening. We suggest that these facts can be explained as a consequence of the restrictive trade regime adopted at that time. Our framework is based on a dynamic Heckscher-Ohlin model, with scale economies in the capital-intensive sector. Initially, the economy is open and produces only the labor-intensive good. The trade regime is modeled as a move to a closed economy. The model produces results consistent with the Latin American experience. Specifically, a sufficiently small country experiences no long-run income growth, but an increase in capital.     

The US Wage Phillips Curve across Frequencies and over Time*

Although widely used in many areas of applied sciences, wavelet analysis has not fully entered the economic discipline yet. In this article we apply wavelet analysis to one of the most investigated relationships is in empirical macroeconomics: the relationship between wage inflation and unemployment. Using US postwar data we find a frequency‐dependent relationship of a sort that is consistent with Phillips’ original insights. It also turns out that this relationship is remarkably stable over the 1948–93 period, but not in the aftermath, as a consequence of a process of adaption of the wage formation process to a low inflation environment.