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The effect of lecture/seminar attendance on exam results
Plachá, Romana ; Pertold-Gebicka, Barbara (advisor) ; Želinský, Tomáš (referee)
The core of this thesis is to investigate how attendance at the lectures and seminars affects the exam results. Despite the fact that schools are the primary source of education, attendance at the universities is not usually compulsory. As a university student, I was interested if and how attendance influences academic performance at the university where I study. Thus I decided to conduct a survey and chose an undergraduate course Econometrics II at the Charles University in Prague. The sample is 42 students. Because of the problem of omitted variable bias, it was necessary to control for the unobservable factors such as ability, motivation, and effort. Therefore there are used two methods of estimation. Firstly, the method of ordinary least squares with proxy variables and secondly the method of two-stage least squares with an instrumental variable. The results indicate that in the studied sample there is a positive and sig- nificant effect of attendance at the lectures on the exam results, however, the effect of attendance at the seminars is not statistically different from zero. Keywords attendance, academic performance, ordinary least squares (OLS), two-stage least squares (2SLS), rational decision making Author's e-mail romanaplacha@gmail.com Supervisor's e-mail barbara.pertold-gebicka@fsv.cuni.cz
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How people buy on Internet
Procházková, Pavla ; Jeřábek, Hynek (advisor) ; Tuček, Milan (referee)
CHARLES UNIVERSITY IN PRAGUE FACULTY OF SOCIAL SCIENCES Institute of Sociological Studies Pavla Procházková How people buy on internet Abstract of the Diploma Thesis This thesis describes the basic principles of human behavior in shopping on the Internet. The aim was to tell whether shopping on the Internet is rational. The work deals with theories of rationality and bounded rationality theories from the perspective of sociological, economic and psychological approaches. All theories agree that the man is rational, selects the most efficient option of possible behavior. Whether the benefits gained are economic, social or psychological. From this broad perspective, it is clear that people in most cases their actions are rational, because even the deepest emotions have some rational basis, however, that over the centuries They lost its effectiveness. Perhaps it may be irrational today due to too rapid growth of technology, information overload (information is becoming more and more widely available, but their understanding is worse, a man must decide which of them to follow). Internet for shopping feature brings greater rationality in their instruments. It also restricts such perceptions, which reduces the rationality of choice. The conclusion is that people act rationally on the Internet, buying in order to...
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Who and why is buying and selling on „deal-of-the-day servers”
Pazdera, Jakub ; Janíčko, Martin (advisor) ; Koubek, Ivo (referee)
This thesis deals with the performance of the currently very popular discount sites, called "slevomaty". Origin of these sites were inspired by American Groupon.com server. They are analyzed from the perspective of customers who are buyers and dealers whose products are offered at a discount. The practical part of this work is examined using quantitative methods (using correlation analysis), whether the purchasing decisions of customers on these servers are rather impulsive than based on rational thought. On the basis of the results author finds the consumer purchase decision on the discount sites well-founded. Qualitative analysis was performed by comparing the discount servers with FashionDays.cz server. It answers the question: "How are the discount sites presented from graphical and architectural point of view?" The result of this analysis is the finding of low usability of the discount servers as a "back door" through which traders would be able to offer its prestigious products to new customer segments.
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