Motivated by repeated spikes and crashes during previous decades we investigate whether the heavily financialized market for crude oil has been driven by speculative bubbles. In our theoretical modeling we draw on the convenience yield approach in order to approximate the fundamental value of...

Stocks of German renewable energy companies have commonly been regarded as lucrative investment opportunities. Their innovative line of business initially seemed to promise considerable future earnings. As shown by two powerful bubble tests, the positive sentiment for renewable energy stocks...

We suggest a model that describes dynamics of the stock price and its intrinsic value in the stock market. The model is based on characterization of the market participants behavior and on the relationship between the stock market and business environment. The model deals with two commonly...

We derive new estimates of total wealth, the returns on total wealth, and the wealth effect on consumption. We estimate the prices of aggregate risk from bond yields and stock returns using a no-arbitrage model. Using these risk prices, we compute total wealth as the price of a claim to...

Summary Models which are built on the assumption of rational expectations can easily outline the conditions under which bubbles may exist but they remain silent on the factors that cause the price to deviate from the fundamental value. In this paper it is argued that dynamic extensions of the...

This paper examines how liquidity affects market efficiency in a market environment where securities' true values are revealed at a predetermined point in time. We employ differences in minimum tick sizes at the betting exchange Betfair as a source of exogenous variation in liquidity. The...