most developing countries have achieved productivity growth in economic sectors like agriculture for more than 30 years. universities and governmental research centers have tried to generate knowledge with direct social and economic effects during these decades. so, productivity and production growth can be attributed to technological changes made possible through investment in agricultural res...

introduction: it is a common protocol to use 201tl for the rest and 99mtc for the stress cardiac spect imaging. theoretically, both types of imaging may be performed simultaneously using different energy windows for each radionuclide. however, a potential limitation is the cross-contamination of scattered photons from 99mtc and collimator x-rays into the 201tl energy window. we used a middle en...

We introduce and solve a new class of “downward-recursive” static portfolio choice problems. An individual simultaneously chooses among ranked stochastic options, and each choice is costly. In the motivational application, just one may be exercised from those that succeed. This often emerges in practice, such as when a student applies to many colleges. We show that a greedy algorithm finds the ...

This paper aims to provide a non-technical introduction into the SVAR methodology. Particular emphasize is put on the approach to identification in SVAR models, which is compared to identification in simultaneous equation models. It is shown that SVAR models are useful tools to analyze the dynamics of a model by subjecting it to an unexpected shock, whereas simultaneous equation models are bett...

FinTech play a pivotal role in facilitating access to financial products and services. At the moment, the country characteristics that facilitate the use of FinTech are not adequately identified in the literature. This paper attempts to contribute to the understanding of which country characteristics facilitate the use of FinTech and how FinTech can drive sustainable economic development. Based...

This paper suggests how a MNC subsidiary’s knowledge outflow can influence its performance. We distinguish between direct costs and opportunity costs. Direct costs are contingent on knowledge types and the lack of appropriate communication channels. Opportunity costs are due to resource-use for knowledge outflows that could have been utilized for the subsidiary’s own business and development ac...

We report experimental results with bearings-only and range-only Simultaneous Localization and Mapping (SLAM). In the former case, we give the initial results from a new method that extends optimal shape-from-motion to incorporate angular rate and linear acceleration data. In the latter case, we have formulated a version of the SLAM problem that presumes a moving sensor able to measure only ran...

A large nurober of investigations have been undertaken to develop technical systems in order to enable a tactile substitution of speech for the deaf. These aids have been evaluated with various experimental procedures (identification and discrimination tests, learning experiments, tracking procedures and other overt behaviour methods). In order to find additional evidence for the processing and...

Inspired by ant navigation, we explore a method for sky segmentation using ultraviolet (UV) light. A standard camera is adapted to allow collection of outdoor images containing light in the visible range, in UV only and in green only. Automatic segmentation of the sky region using UV only is significantly more accurate and far more consistent than visible wavelengths over a wide range of locati...