Spatially Concentrated Industries as Innovation Driver? – Empirical Evidence from East Germany
Christoph Hornych, Michael Schwartz
Wirtschaft im Wandel,
No. 9,
2008
Abstract
A positive relation between the spatial concentration of sectors and their capacity of innovation is frequently assumed in regional science as well as in regional development policy. Therefore, with the support of sectoral agglomeration, effects on the regional technological performance are expected. However, previous empirical work is inconsistent in supporting this interdependency.
This study aims to examine the effects of sectoral agglomeration on innovative activities in East-German regions. For this purpose, spatially concentrated industries are identified and included in the estimation of regional ‘knowledge-production-functions’. Contrary to expectations, the spatial concentration seems to inhibit the amount of patent-activities of the sector in the specific region. In contrast, positive effects are generated from research facilities. Moreover, we find evidence for intersectoral spillovers.
The results show that for innovative activities, urbanization effects have a higher relevance as localization effects. So far, spatially concentrated industries are not an innovation driver in East Germany.
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Long-term Effects of Business Incubators: What Happens to Incubated Firms after they Have Graduated from the BIs?
Michael Schwartz
Wirtschaft im Wandel,
No. 8,
2008
Abstract
Many cities and municipalities devote considerable public resources to the establishment and operation of business incubators (BIs) to promote the survivability and the positive development of newly founded firms. In the context of incubator evaluations, survival is one of the most important performance indicators, and survival rates of incubated firms are frequently communicated to the public by local authorities to demonstrate the success of those policy initiatives. However, in most cases, these data refers to the initial incubation period. Little is known about survival or exit dynamics of incubated firms after they have graduated from the BIs. On the basis of a comprehensive research project concerned with the development of graduate firms from incubators in Dresden, Halle (Saale), Jena, Neubrandenburg and Rostock, this article not only investigates how many firms survive after leaving the incubator facilities, but also investigates if graduation causes an immediate negative effect on subsequent survivability. The results show that about one third of all graduate firms fail after leaving the incubator. Furthermore, it can be found that graduate firms from the BIs in Halle (Saale) and Neubrandenburg face a relatively high risk of business closure especially in the first years after the completion of the incubation period.
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Forecasting the CO2 certificate price risk
Henry Dannenberg, Wilfried Ehrenfeld
IWH Discussion Papers,
No. 5,
2008
Abstract
Modeling the price risk of CO2 certificates is one important aspect of integral corporate risk management related to emissions trading. The paper presents a risk model which may be the basis for evaluating the risk of emission certificate prices. We assume that the certificate price is determined by the expected marginal CO2 abatement costs prevailing at the current trade period and stochastically fluctuates around the respective level as returned from the mean reversion process. Due to uncertainties about future environmental states we suppose that within one trade period, erratic changes in the expected marginal abatement costs may occur leading to shifts in the price level. The aim of the work is to model the erratic changes of the expected reversion level and to estimate the parameters of the mean reversion process.
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An Assessment of Bank Merger Success in Germany
Michael Koetter
German Economic Review,
No. 2,
2008
Abstract
German banks have experienced a merger wave since the early 1990s. However, the success of bank mergers remains a continuous matter of debate.This paper suggests a taxonomy to evaluate post-merger performance on the basis of cost and profit efficiency (CE and PE). I identify successful mergers as those that fulfill simultaneously two criteria. First, merged institutes must exhibit efficiency levels above the average of non-merging banks. Second, banks must exhibit efficiency changes between merger and evaluation year above efficiency changes of non-merging banks. I assess the post-merger performance up to 11 years after the mergers and relate it to the transfer of skills, the adequacy to merge distressed banks and the role of geographical distance. Roughly every second merger is a success in terms of either CE or PE. The margin of success in terms of CE is narrow, as efficiency differentials between merging and non-merging banks are around 1 and 2 percentage points. PE performance is slightly larger. More importantly, mergers boost in particular the change in PE, thus indicating persistent improvements of merging banks to improve the ability to generate profits.
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Three methods of forecasting currency crises: Which made the run in signaling the South African currency crisis of June 2006?
Tobias Knedlik, Rolf Scheufele
IWH Discussion Papers,
No. 17,
2007
Abstract
In this paper we test the ability of three of the most popular methods to forecast the South African currency crisis of June 2006. In particular we are interested in the out-ofsample performance of these methods. Thus, we choose the latest crisis to conduct an out-of-sample experiment. In sum, the signals approach was not able to forecast the outof- sample crisis of correctly; the probit approach was able to predict the crisis but just with models, that were based on raw data. Employing a Markov-regime-switching approach also allows to predict the out-of-sample crisis. The answer to the question of which method made the run in forecasting the June 2006 currency crisis is: the Markovswitching approach, since it called most of the pre-crisis periods correctly. However, the “victory” is not straightforward. In-sample, the probit models perform remarkably well and it is also able to detect, at least to some extent, out-of-sample currency crises before their occurrence. It can, therefore, not be recommended to focus on one approach only when evaluating the risk for currency crises.
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Ageing in East Germany: Remarkable reduction of entrepreneurship
Lutz Schneider, Stefan Eichler
Wirtschaft im Wandel,
No. 4,
2007
Abstract
Population shrinking and ageing are obvious trends in many German regions, but in the Eastern states they reach an unique level. An often ignored economic implication of these demographic deve-lopments is the reduction of the entrepreneurial potential. Shirking, on the one hand, diminishes the quantity of potential entrepreneurs, on the other hand these effects are strengthened by ageing trends, since people usually decide in younger years to found an enterprise. The analysis tries to quantify the impact of demographic change on entrepreneurship activities in east Germany until 2020. At the first stage on the basis of the Mikrozensus survey age specific shares of new entrepreneurs are calculated. In order to obtain a status-quo-forecast of new entrepreneurs at the second stage these quotas are combined with the population projections for the East Germany. As expected the propensity to set up a new business is highest for persons at the age form 25 to 39 years. Due to the strong reduction of this age group the number of new firm foundations will fall by approximately 25% until 2020.Whereas the decline in Berlin will be relatively small (14%), Brandenburg has to bear an alarming reduction of 32%.In contrast the West German states show only a reduction of 6% during the same period, which emphasizes the extraordinary dimension of demographic change in East Germany.
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Interregional equalization policy in focus: Donor regions and beneficiary regions and their economic performance
Gerhard Heimpold, Peter Franz
Wirtschaft im Wandel,
No. 11,
2006
Abstract
The future of the interregional equalization policy in Germany is discussed intensively at present. While in the past the interest of equalization policy was focussed primarily on the regions which benefit from interregional equalization policy (beneficiary regions) and the effects obtained there, recently the view is directed also toward the regions which bear the fiscal burden of the equalisation policy (donor regions). Concerning the donor regions, a fear of growth-absorbing withdrawal effects exists, which gives reason in view of declining economic growth rates on the national level to think about the future of interregional equalization policy. The IWH contributed to this debate together with two project partners by an investigation, which was accomplished on behalf of the Federal Office for Building and Regional Planning. The following findings will show the economic performance of the donor regions (exclusively West German regions) and of the beneficiary regions (all East German regions and a few West German regions) and their changing economic growth patterns. Concerning the level of economic performance, measured by means of the gross domestic product (GDP) per capita, as expected, the donor regions, consisting of West German regions, in the period 1992-2003 altogether show an above average GDP per capita. In contrast, the beneficiary regions, both the East German and (less strongly) the West German show a GDP per capita below average. Concerning the development of the economic performance, which was measured on the basis of the relative GDP per capita (GDP per capita of the region concerned in relation to the national average), the East German beneficiary regions could catch up in the first period (1992-1998) strongly. This catching up process, however, clearly slowed down in the second period 1998-2003. Like a mirror-image the lead of the donor regions regarding GDP per capita in relation to the national average became smaller. But after 1998 many West German donor regions regained their growth dynamics. Additionally the contributions of the regions to the absolute increase of the GDP in the period 1998-2003 were investigated: 30 of 271 regions have a share of around 50% in the overall GDP increase, 28 of them located in West Germany, and 21 of them donor regions. This in mind, the policy should further provide and secure favourable development conditions for those regions, which contribute at most to the increase of the overall economic performance and thus create the economic base for the interregional equalization policy.
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Too old to work? The impact of age on productivity
Lutz Schneider
Wirtschaft im Wandel,
No. 11,
2006
Abstract
Due to the public debate on the raising legal re-tirement age in Germany labor market research has recently focused on an explanation of the low labor market participation rate of elders. In the economic discussion the low participation is pri-marily explained by a supposed imbalance of la-bor costs and returns for old workers. Whereas wages rise with increasing age, the individual productivity seems to fall beyond a certain age. Gerontological research supports this view, since it documents an age-driven decline of physical and certain mental abilities. The study empirically evaluates the thesis of a diminishing individual productivity at higher ages. The analysis is done on the basis of a new dataset for German firms of the manufacturing sector. Using these data the effect of the employee’s age on a firm’s productiv-ity is estimated and conclusions on the job per-formance of workers at different ages are drawn. The performed cross-section-regressions of the years 2003 and 2000 indicate an inverted u-shaped age-productivity-profile. The 25-44 year olds turn out to be the most productive, the share of the over 44 year old workers seems to dampen productivity. However the 15-24 age group makes the lowest productivity contribution. Moreover a positive effect of firm-related experience can be found. Due to elders’ higher stock of firm specific human capital this might at least partly compen-sate the unfavorable effects of aging.
From a political perspective these findings sup-port the view, that an increasing legal retirement age will not automatically lead to a remarkable extension of the labor demand for older people. In addition to legal aspects the wage schemes and the actual productivity profiles in higher age have to be linked more closely together.
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Economies of Scope in European Railways: An Efficiency Analysis
Christian Growitsch, Heike Wetzel
IWH Discussion Papers,
No. 5,
2006
Abstract
In the course of railway reforms in the end of the last century, national European governments, as well the EU Commission, decided to open markets and to separate railway networks from train operations. Vertically integrated railway companies – companies owning a network and providing transport services – argue that such a separation of infrastructure and operations would diminish the advantages of vertical integration and would therefore not be suitable to raise economic welfare. In this paper, we conduct a pan-European analysis to investigate the performance of European railways with a particular focus on economies of vertical integration. We test the hypothesis that integrated railways realise economies of joint production and, thus, produce railway services on a higher level of efficiency. To determine whether joint or separate production is more efficient we apply a Data Envelopment Analysis super-efficiency bootstrapping model which relates the efficiency for integrated production to a virtual reference set consisting of the separated production technology. Our findings are that in a majority of European Railway companies exist economies of scope.
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Working time arrangement in the EU from the viewpoint of the employees: Results from the ad hoc labour market surveys
Cornelia Lang
Wirtschaft im Wandel,
No. 4,
2006
Abstract
Despite the general improvement in the EU’s labour market performance, there are still large differences between individual countries. And there are differences in some fields between the pre-enlargement EU Member States and the recently acceded Member States. One explanation for these differences may be the predominance of former socialist countries with centrally planned economies among new member states. The article deals with the results of the ad hoc labour market survey of the European Commission. One of its subjects is the flexible use of labour. The main findings are: A working week of between 35 and 40 hours, distributed more or less evenly over the five working days, is the rule for the majority of employees. Part-time work is still dominated by women. Overtime is relatively common for most of the full-time employed. When asked if they would be prepared to accept more flexible working time, the interviewees do not favour all possible types of flexibility to the same extent. The most favoured model is either lengthening or shortening the regular working day. In the former socialist countries people work longer hours and they are more flexible with respect to how far they have to travel and the hours they have to work in order to keep their job.
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