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This paper will discuss the current research in building models of conditional variances using the Autoregressive Conditional Heteroskedastic (ARCH) and Generalized ARCH (GARCH) formulations. The discussion will be motivated by a simple asset pricing theory which is ...

This study aimed at understanding the volatility of Dhaka Stock Exchange (DSE). The daily and monthly average DSE General Index (DGEN), from the period January 1, 2002 to July 31, 2013 has been used. The study has been made by using the Generalized Autoregressive Conditional Heteroskedasticity (GARCH) models to estimate the presence of volatility. Though volatility is a common phenomenon in the capital market, the study recommends careful monitoring of volatility by the concerned authority if necessary. It is also recommended that activities of corporate insiders should be properly checked and information should become available for all of the interested investors and to ensure adequate supply of stock through active participation of the government and giant national and multinational companies and so forth.

In our interview, we would like to focus on two central issues: adaptable and ecological architecture. As early as the post-war years, you were developing techniques that incorporated the reuse of materials, representing something of a foundation for both of those fields. You must be referring to one of my earliest publications about backing masonry. That must have been the late 1940s.1 In the 1950s, you published other articles, such as Das ungeheizt schon warme Haus [The unheated, yet warm home], which explores the question of energy conservation through solar energy.2 I could demonstrate the principle using the example of the studio that we’re sitting in right now. If the sun began to shine, it would be warm in here in ten minutes without any additional heating. That’s a so-called passive house. That’s not as interesting today as it once was, because the active use of solar energy has made such progress. I investigated the issue of passive solar housing in my Diplomarbeit [gradua...