ENGLISH SUMMARY: The research documents the development of a conceptual framework, the improbable circumstances strategic (ICS) framework, which guides organisations in the preparation for improbable circumstances.Four fields include: strategic management, innovation, systems thinking and...

The positive relationship between household income and child health is well documented in the child health literature but the precise mechanisms via which income generates better health and whether the income gradient is increasing in child age are not well understood. This paper presents new...

The efficient market hypothesis (EMH) is tested in the case of the AthensStock Exchange (ASE) after the introduction of the euro. The underlyingassumption is that stock prices would be more transparent; their performanceeasier to compare; the exchange rate risk eliminated and as a result we...

This paper investigates conditional variance patterns in daily return series of stock market indices in the G-7 and 6 selected economies of Central and Eastern Europe. For this purpose, various linear and asymmetric GARCH models are employed. The analysis is conducted for Canada, France,...

This study investigates exchange rate movements in the Exchange Rate Mechanism (ERM) of the European Monetary System (EMS) and in the Exchange Rate Mechanism II (ERM-II). On the basis of Bessec (2003), we set up a three-regime self-exciting threshold autoregressive model (SETAR) with a...

This paper investigates non-linearity in spatial processes models and allows for a gradual regime-switching structure in the form of a smooth transition autoregressive process. Until now, applications of the smooth transition autoregressive (STAR) model have been largely confined to the time...

Aim of this paper is to study whether and how the firm’s decision to outsource production activities affects its technological performance. In particular, we look at how the alignment between the firm’s governance strategy and the underlying attributes of the transactions affects the capacity...

The recently examined durability-asymmetry hypothesis of Cook (1999) is re-evaluated using the diagnostic tests of time deformation proposed by Stock (1987, 1988). An application of these tests to disaggregated data on U.S. consumers’ expenditure provides further support for this hypothesis,...

This paper offers an econometric methodology for the detection of self-organisational change (defined in terms of the presence of time irreversibility, structural change and fundamental uncertainty) in economic precesses that follow logistic diffusion growth paths in historical time. The...