Physicians’ use of medical technology: an analysis of the introduction and subsequent failure of drug-eluting stents

Using data on cardiac patients in Florida hospitals from 2003 to 2007, we analyse the adoption and deadoption of a major new medical technology, drug-eluting stents (DESs). The Food and Drug Administration approved DESs in April 2003 and physicians rapidly adopted the new technology. In March 2006, a presentation was made at the American Cardiology Conference which showed that patients receiving DES in real-world settings suffered higher rates of mortality and myocardial infarction than those receiving stents without drugs. We examine the utilization of DES from April 2003 to the end of 2007. Using a hospital fixed-effects model, we find that board-certified and top-trained physicians were initially quicker to adopt DES. Over time, this effect dissipated and top-trained physicians were less likely to use DES by the time new clinical trials indicated they could be problematic. After the news, board-certified and top-ranked physicians were less likely to change their behaviour. Physicians’ own experience also contributes to the use of technology and the effects are stronger for non-board-certified physicians. We conclude that even within hospitals, physician training and experience play an important role in explaining differences in rates of technology use.     

The impact of health insurance on households’ financial choices: Evidence from Vietnam

This paper investigates the impact of health insurance on families' financial service choices in Vietnam using TVSEP data from three waves in 2013, 2016, and 2017. The endogeneity is handled via a recursive multivariate probit model. The findings indicate that while health insurance has no effect on private health insurance, it has a positive effect on savings and investments and a negative effect on credit choice. The multivariate probit model's results are robust to both the instrumental variable two-stage least squares model and the bivariate probit model. In addition, correlations between error components in financial service choice equations indicate a possible pattern of household financial usage. The results suggest that health insurance improves households' financial well-being. The implication of the findings is that when developing social security policies aimed at achieving universal health insurance, the influence of health insurance on household finances should not be underestimated.     

An econometric analysis of urban households’ animal products consumption in Turkey

People in developing countries are increasing their consumption from the very low levels of the past, and they have a long way to go before coming near developed country averages. In this study, households’ animal products consumption patterns are analysed by using Linear Approximation of Almost Ideal Demand System (LA/AIDS) and survey data collected from households in urban areas in Turkey. According to the results of the study, annual per capita consumption of animal products were 48.18?kg for milk, 26.89?kg for yogurt, 18.55?kg for cheese, 6.45?kg for meat, 22.11?kg for poultry and 10.05?kg for fish. Price elasticities were found to be lower than 1 for milk, yogurt, cheese, poultry and fish and higher than 1 for meat. Moreover, the impacts of socio-demographic factors on the demand for animal products were found to be very low. Determination of production targets and formulation of polices are possible by obtaining the proper information related to the livestock products.     

A wavelet analysis of capital markets’ integration in Latin America

The continuous wavelet transform analysis may provide a rich and flexible framework for the analysis of time series which exhibit less stable statistical properties, such as the ones describing the dynamic trajectory of capital markets. In contrast to the Fourier analysis, wavelet transform preserves information on both time and frequency. We provide a summary of the most important features of this framework. By involving the concept of coherence as well as its partial and multiple forms, we analyse the connections between Santiago Stock Exchange, Mexican Stock Exchange and BM&FBOVESPA São Paulo Stock Exchange, for a time span which covers the 23 September 2003–12 March 2014 period. We highlight the existence of several significant forces of regional integration and of a short- to medium-run synchronization process between these markets. We conclude that deeper structural and institutional reforms are required in order to enhance the sustainable development and more profound integration of these markets.     

Jailer of freedom and enemy of growth?* The role of personal and social identities in educational choices

This paper develops a theoretical and empirical model on the influence of identity on educational choices which extends the existing literature in several directions. The theoretical model proposed here allows schooling choices to be independently influenced by both personal and social identities and, in contrast to previous work, the proposed empirical counterpart is derived directly from the theoretical model. The use of UK’s British Cohort Study on individuals born in 1970 allows us to identify with precision the relevant explanatory factors and to appropriately control for potentially confounding factors. Both social and personal identities are found to have substantial and statistically significant effects on educational participation decisions and these impacts are robust to a variety of specifications. The key implication is that socio-psychological factors play an important role in children’s school performance through their direct influence on the utility derived from studying.     

Factor analysis and structural equation model for patent analysis: a case study of Apple’s technology

In this study, we analyse patent data for technology analysis (TA) because patents are rich in information on developed technology. The results of TA can be used to perform more efficient research and development (R&D) planning. Most companies are trying to develop new and innovative technologies to improve their competitive positions. Research involving TA has been introduced in a variety of fields. Most of the published research analysed original variables related to a target technology. However, it is necessary to analyse the latent variables as well as the original variables included in the technology to achieve a better TA model. Therefore, we propose a factor analysis and a structural equation model for patent analysis. In addition, we use Apple’s patents to determine the target technology. In our case study, we analyse Apple’s technologies by latent variables. Our case study shows how the proposed model is applied to Apple’s R&D planning.     

‘Social enterprise spin-outs’: an institutional analysis of their emergence and potential

The recent phenomenon of public sector ‘social enterprise spin-outs’ is examined in order to critically assess their nature and innovative potential as providers of public services. The study utilises a theoretical model of institutional creation and change which incorporates key characteristics of ‘corporate spin-outs’ and ‘university spin-outs’ to facilitate the examination of their public sector counterparts, drawing on interview evidence from 30 newly-established social enterprise providers of health and care services in England. A main contribution of the paper is to provide a conceptual framework which sheds light on the strengths and potential vulnerabilities of social enterprise spin-outs as novel organisations that span the public, private and civil society sectors.     

Evaluation of elderly households’ financial standing in Central and Eastern European countries

The purpose of the paper is to analyse and evaluate the financial situation of elderly households in Central and Eastern European (CEE) countries. Current demographic trends simultaneously with reforms of pension systems in the CEE region may lead to an increasing number of elderly households being exposed to poverty risk. In this study, Ward’s method and the method of standardised sums were applied to classify and order the examined countries according to the financial standing of elderly households. The obtained results allow us to identify countries with similar financial situations for elderly households in 2007, 2010 and 2013, and changes in clusters and ranking over the analysed period. The main findings show that the financial situation of the elderly in CEE countries is very differentiated and changeable, however over the analysed period the financial standing of the elderly seems to be most similar in Poland and Slovakia as well as Estonia, Latvia and Lithuania.     

Anti-poverty competences in a multilevel government: an empirical analysis of citizens’ preferences in Europe

This article aims to investigate individuals’ perceptions about institutions that should be primarily responsible for reducing or preventing poverty, which is a dramatic phenomenon that became a crucial issue in European countries over recent years. We propose an empirical analysis based on European survey data and investigate some citizens’-level and country-level variables that potentially affect individuals’ attitudes. Our results suggest that country-level economic and institutional characteristics do significantly affect individual preferences for the governance of anti-poverty policies.     

Measuring the degree of competition in Pakistan’s banking industry: an empirical analysis

Pakistan’s banking industry has gone through significant transformation from being in a heavily state regulated and controlled environment to a more liberalized market structure in recent years. This liberalization of banking industry in Pakistan has raised concerns over the dominant banks’ exercise of market power on account of increase in market concentration due to mergers and acquisitions, high profitability in banking sector and increasing interest rate spread. Present study therefore explicitly tests the market conduct of banks using quarterly panel data of 30 banks from 2004 to 2012 and employing Panzar–Rosse, Bresnahan–Lau, Hall–Roeger and Boone’s approaches to study market power. Our findings suggest that Pakistan’s banking industry is working in a competitive environment and we find little evidence for the exercise of market power by the dominant banks. Our results remain robust across all these approaches to measure market power. These findings indicate that the liberalization and deregulation of Pakistan’s banking industry has been successful in improving the competitive conditions in the market.     

Medical management,costs, and consequences of Alzheimer’s disease in Germany: an analysis of health claims data

Abstract

Objective:

The main objective of this analysis was to assess the medical and economic differences between patients with and without diagnosed Alzheimer’s Disease (AD). Analysis included co-morbidities, patterns of drug use, and clinical course, as well as the magnitude of these differences attributable to AD.     

Developing countries’ financial vulnerability to the eurozone crisis: an event study of equity and bond markets

The global crisis highlights the continued vulnerability of developing countries to shocks from advanced economies. Just a few years after the global crisis, the eurozone sovereign debt crisis has emerged as the single biggest threat to the global outlook. In this paper, we apply the event study methodology to gauge the scope for financial contagion from the EU to developing countries. More specifically, we estimate the responsiveness of equity and bond markets in developing countries to global crisis period and eurozone crisis news. Overall, we find that whereas global crisis period had a consistently negative effect on returns of equity and bond markets in developing countries, the effect of eurozone crisis news was more mixed and limited.     

Using spectral analysis and multinomial logit regression to explain households’ choice patterns

Many methods are available to analyze rank-ordered data. We used spectral analysis to identify the most preferred option of Formosan subterranean termites (FSTs) control as ranked by Louisiana homeowners. Respondents were asked to rank four termite control methods from the most preferred option to the least preferred option. Spectral analysis of complete ranked data indicated that the most preferred FST control choice is a relatively cheap ($0.13/square foot) option of a liquid treatment. Similarly, analysis indicated that liquid and bait treatments are the two most desired control choices. Multinomial logit analysis indicated that survey location, household pre-tax income, and knowledge of FSTs determined Louisiana homeowners’ ranking pattern choices.     

Effects of exports on productivity and growth in India: an industry–based analysis

This study analyses the effects of exports on the level of output per capita using the panel estimates of an extended version of the Mankiw, Romer and Weil (The Quarterly Journal of Economics, CVII, 407-37, 1992) model, and on the total factor productivity using the time series estimators. The analysis is carried out for ten industries in the manufacturing sector in India. The results do not provide any evidence of convergence, and instead support the contrary evidence of divergence among industries. The exports do not induce convergence and instead seem to accentuate the process of divergence among industries. The study provides some evidence for the significant effects of exports on the level of output per capita and TFP in the manufacturing sector. The effects of exports on TFP are significant in half of the sample industries, while in the remaining half these are statistically insignificant.     

Knowledge flows,changing firms’ competences and patent citations: an analysis of the trajectory of IBM

We show for a widely-used class of models for strategic R&D that optimally subsidizing cooperative R&D or noncooperative R&D leads to the same level of private R&D investments. We then highlight the limitations of the framework that are responsible for this finding and conclude that policy recommendations based on the type of model used here should be treated as highly tentative.     

‘Just one of us’: consumers playing oligopoly in mixed markets

Consumer cooperatives represent a highly successful example of democratic form of enterprises operating in developed countries. They are usually medium to large-scale companies competing with the profit-maximizing firms in the retail sector. This paper describes this situation as a mixed oligopoly in which consumer cooperatives maximize the utility of consumer-members and, in return, refund them with a share of the profits corresponding to the ratio of their individual spending to the cooperative’s total sales. We show that when consumers possess quasi-linear preferences over a bundle of symmetrically differentiated goods, and companies operate using a linear technology, the presence of consumer cooperatives positively affects total industry output, as well as welfare. The effect of cooperatives on welfare proves to be even more significant when goods are either complements or highly differentiated, and when competition is à la Cournot rather than à la Bertrand.     

Learning,experience and the dynamics of north–south Trade and technology transfer

This paper examines the dynamics of learning and experience that underlie technology transfer using a North-South trade model with a continuum of goods. Since North is historically more experienced than South, it initially produces the most advanced goods and pays higher wages. Whenever there is a market-driven transfer of technology and production over time, there will be some wage convergence as South gradually gains experience. Nevertheless, wage inequality must persist in the steady state. Product innovation typically increases steady-state wage inequality because new goods are produced in North, and North ultimately learns than South. [F12, O19]     

Removing an ‘insuperable obstacle’ in the way of an objectivist analysis: Sraffa's attempts at fixed capital *

Abstract

The paper discusses Sraffa's consecutive attempts in the late 1920s and early 1940s to tackle a problem which endangered his objectivist, surplus-based approach to the theory of value and distribution aimed at reviving the standpoint of the classical economists. Whilst with circulating capital the value transfer to the product and the physical ‘destruction’ of the input are one and the same thing, with fixed capital this is not so. Sraffa eventually overcame the difficulty in terms of the joint products-method. This allowed him to explain relative prices and the rate of profits strictly in ‘material terms’.     

Profitability efficiency,marketability efficiency and technology gaps in Taiwan’s banking industry: meta-frontier network data envelopment analysis

The aim of this article is to measure the profitability efficiency (PE) and marketability efficiency (ME) of non-homogenous Taiwanese banks after the adoption of International Financial Reporting Standards by using the convex meta-frontier data envelopment analysis model. The model is applied to simultaneously estimate PE and ME of the banks in financial holding companies (FHCs) and the banks not in FHCs. The meta-inefficiencies in individual processes are further decomposed into group inefficiencies and technology gap inefficiencies to explore the sources of inefficiency. The empirical results indicate that the banks in FHCs can reduce more costs than the banks not in FHCs, whereas the banks not in FHCs can create greater market value than the banks in FHCs. For the banks joining and not in FHCs, technology gap inefficiency is the main source of inefficiencies in both profitability and marketability processes.