Spread convergence, arising from the random evolution of fundamental values and updating of reference prices, generates predictable equilibrium prices. It demonstrates that people think in terms of expected utility relative to a reference point e. Spread convergence, arising from the random evolution of fundamental values and updating of reference prices, generates predictable. Prospect theory, mental accounting, and momentum request pdf.
Prospect theory, mental accounting, and momentum, journal. There are few empirical accounting tests of prospect theory, relative to the. This paper extends prospect theory, mental accounting, and the hedonic editing model by developing an analytical theory to explain the behavior of investors with extended value functions in segregating or integrating multiple outcomes when evaluating mental accounting. Is disposition related to momentum in chinese market. View notes topic 2 prospect theory, framing and mental accounting from corpfin 7045 at university of adelaide.
Topic 2 prospect theory, framing and mental accounting. I buy on the assumption that they could close the market the next day and not reopen it for five years. Thaler, richard, and eric johnson 1990, gambling with the house money and trying to break even. The transformation of portfolio theory begins with the identification of anomalies. Prospect theory, mental accounting, and momentum core. Behavioral finance and technical analysis study guide by sdragul includes questions covering vocabulary, terms and more. The book should also be of interest to academics, investors, and students. Prospect theory is a behavioral model that shows how people decide between alternatives that involve risk and uncertainty e. Prospect theory, mental accounting, and momentum by bing han. Grinblatt and han 2005 argue that momentum is the result of prospect theory and mental c alculations combined to create a disposition effect. This book explains how investor behavior, from mental accounting to the combustible interplay of hope and fear, affects financial economics. Prospect theory, framing and mental accounting 1 prospect theory prospect.
Prospect theory, mental accounting, and momentum citeseerx. The development of the model starts with the mental coding of combinations of gains and losses using the prospect theory value function. The measurement perspective on decision usefulness 175. Chapter 8 the efficient market hypothesis and chapter 9. Prospect theory, mental accounting, and differences in.
Prospect theory mental accounting and momentum pdf prospect theory and mental accounting ptma generates a disposition eect. The distinction between risk attitudes towards these two. Prospect theory and the disposition effect volume 45 issue 3 markku kaustia. Exuberance of investors escalates asset values unduly on the back of financial irrationality. The main purpose of this dissertation is to analyze the relation between the disposition effect and momentum in the chinese stock markets under the framework of the prospect theory and mental accounting ptma. Solving some financial puzzles with prospect theory and. Historical data indicate that the momentum of a gaining stock is likely to continue and those with a negative return should be. Myopic loss aversion and the momentum premium paul dochertya and gareth hurstb a the university of newcastle, nsw, australia. The behavioral economists replacement for expected utility theory is known as prospect theory, which demonstrates cognitive shortcuts and their impact on.
The tendency of some investors to hold on to their losing stocks, driven by prospect theory and mental accounting, creates a spread between a stocks fundamental value and its equilibrium price, as well as price underreaction to information. The sample contains a crosssectional weekly data for 1,022 stocks with the sample period from january 1991 to november 2008. It is the founding theory of behavioral economics and of behavioral finance, and constitutes one of the first economic. Mental accounting refers to the concept that individuals divide their assets into separate and. Pdf prospect theory, mental accounting, and momentum. The main idea is that decision makers tend to segregate different types of gambles into separate accounts, and then apply prospect theory to each account by ignoring possible interactions.
The purpose of this paper is to examine whether the framework of prospect theory and mental accounting proposed by grinblatt and han 2005 can be applied to analyzing the relationship between the disposition effect and momentum in the chinese stock market. The main element of prospect theory is an sshaped value function that is concave risk averse in the domain of gains and convex risk loving in the domain of losses,both measured relative to a reference point. Sorry, we are unable to provide the full text but you may find it at the following locations. The reason is that ptma investors are risk averse over gambles for some stocks and risk loving in gambles for others. This overall aim can be divided into the following objectives. The prospect theory is an economics theory developed by daniel kahneman and amos tversky in 1979. Momentumbased hedge portfolios formed during optimistic periods experience longrun reversals.
Another attribute of many individuals is selfattribution bias. The household budgeting process is also incorporated to complete the characterization of mental accounting. The value maximisation function of the prospect theory is different from that of the. C u m u lative representation of uncertainty a m o s t v e r s k y stanford u niversity, department o f psychology, stanford, c a 943052 d a n ie l k a h n e m a n u niversity o f california a t berkeley, department o f p sychology, berkeley, c a 94720 key w o rd s. Read prospect theory, mental accounting, and momentum, journal of financial economics on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Does prospect theory explain the disposition effect. Grinblatt, mark, and bin han 2005, prospect theory, mental accounting, and momentum, journal of financial economics 78, 3139.
Citations of prospect theory, mental accounting, and momentum. Theory of behavioural finance and its application to property market. When the relevant mental accounts employ the cost basis in a stock as the reference point, the starting positions are dictated by the unrealized capital gain or loss. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Mental accounting is an economic concept established by economist richard thaler, which contends that individuals divide their current and. The book will cover the major principles of investor psychology, including heuristics, bounded rationality, regret theory, mental accounting, framing, prospect theory, and loss aversion. Prospect theory, psychological theory of decisionmaking under conditions of risk, which was developed by psychologists daniel kahneman and amos tversky and originally published in 1979 in econometrica. Spread convergence, arising from the random evolution of fundamental values and. The aim of this study is to analyze whether disposition effect using prospect theory mental accounting framework drives momentum in the egyptian stock market.
Prospect theory, mental accounting, and momentum econpapers. Investors tend to hold back the losers of the past. A standard explanation of the disposition effect refers to prospect theory and, in particular, to the asymmetric risk aversion, according to which investors are riskaverse when faced with gains and riskseeking when faced with losses. Investors need not be rational for markets to be efficient. Fin 401 exam 2 chapter 8 the efficient market hypothesis and chapter 9. An analysis of net order flows from small and large trades indicates that small investors are slow to sell losers during optimistic periods.
Then the evaluation of purchases is modeled using the new concept of transaction utility. Relevance to investing if richard thalers concept of mental accounting is one of two pillars upon which the whole of behavioral economics rests, then prospect theory is the other. Frazzini 2006 finds that the prospect theory and mental accounting framework plays a leading role in explaining the crosssection of. An analysis of decision under risk by daniel kahneman and amos tversky this paper presents a critique of expected utility theory as a descriptive model of decision making under risk, and develops an alternative model, called prospect theory. Solving some financial puzzles with prospect theory and mental accounting.
The axiom of efficient market hypothesis that it is not possible to earn excess profits because the available information gets factored in instantaneously fell flat due to influence of human behavior on the investment process. Theory of behavioural finance and its application to. One implication is that we expect to see momentum in stock returns. The effects of prior outcomes on risky choice, management science 36. Thalers 1980 mental accounting framework,is perhaps the leading explanation for the disposition effect. Behavioral finance prospect theory, mental accounting. Pages in category behavioral finance the following 64 pages are in this category, out of 64 total.
Disposition effect and momentum based on prospect theory. Mental accounting and consumer choice marketing science. The assumptions concerning the shape of utility functions of investors differ between conventional theory and prospect theory. The model has been imported into a number of fields and has been used to analyze various aspects. Full text views reflects the number of pdf downloads, pdfs sent. Prospect theory, mental accounting, and momentum by bing. Grinblatt and han 2005 recognized that momentum profits exist because there is positive relationship between expected return and capital gain. Prospect theory, mental accounting, and momentum 2005 this item may be available elsewhere in econpapers. Cognitive dissonance, sentiment, and momentum journal of. Gaps in perception and behavioral departures from rationality spur momentum, irrational exuberance, and speculative bubbles. Prospect theory and the disposition effect journal of. Spread convergence, arising from the random evolution of. Behavioral finance journal international markets theoretical developments prospect theorymental accounting ptma international momentum strategies price momentum asset prices financial markets crosssectional regressions market capitalization returnbased momentum. The tendency of some investors to hold on to their losing stocks, driven by prospect theory and mental accounting, creates a spread between a stocks.
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