This article presents a model of information monitoring and market making in a dealership market. We model how intensively dealers monitor public information to avoid being picked off by professional day traders when monitoring is costly. Price competition among dealers is hampered by their...

We develop a model of price formation in a dealership market where monitoring of the information flow requires costly effort. The result is imperfect monitoring, which creates profit opportunities for speculators, who do not act as dealers but simply monitor the information flow and quote...

Cover -- Contents -- Preface -- Introduction -- 0.1 What is This Book About? -- 0.2 Why Should We Care? -- 0.3 Some Puzzles -- 0.4 The Three Dimensions of Liquidity -- 0.4.1 Market Liquidity -- 0.4.2 Funding Liquidity -- 0.4.3 Monetary Liquidity -- PART ONE: Institutions -- 1 Trading Mechanics...

We develop a model of price formation in a dealership market where monitoring of the information flow requires costly effort. The result is imperfect monitoring, which creates profit opportunities for speculators who pick off "stale quotes". Externalities associated with monitoring give rise to...