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In this paper, we present a new approach to interaction modelling based on the concept of information resource. The approach is inspired by recent distributed cognition (DC) literature but develops a model that applies specifically to human-computer interaction (HCI) modelling. There are of course many approaches to modelling HCI and the motivation of this(More)
THEA is a technique designed for use by interactive system designers and engineers to help anticipate interaction failures. These may become problematic once designs become operational. The technique employs a cognitive error analysis based on an underlying model of human information processing. It is a highly structured approach, intended for use early in(More)
This paper studies performance-sensitive debt (PSD), the class of debt obligations whose interest payments depend on some measure of the borrowers performance. We demonstrate that the existence of PSD obligations cannot be explained by the trade-off theory of capital structure, as PSD leads to earlier default and lower equity value compared to fixed-rate(More)
THEA is a technique developed to help designers in interactive systems (originally in the aviation domain, but hopefully applicable in other contexts) to anticipate interaction failures or " human errors " that may be problematic once their designs become operational. The techniques is intended for use early in the development lifecycle, as design concepts(More)
This paper studies how a firm's ability to price discriminate over time affects production, product quality, and product allocation among consumers. The theoretical model has forward-looking heterogeneous consumers who face a monopoly firm. The firm can affect the quality and quantity of the goods sold each period. I show that in the model the welfare(More)