Murphy A. (2009) The smartest boys in the alley, early derivatives on the London stock market

October 24, 2009

Murphy, Anne L. (2009) Trading options before Black-Scholes: a study of the market in late seventeenth-century London. Economic History Review, 62/1: 8-30.

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The ledger of the financial broker Charles Blunt contains the details of some 1,500 transactions realized between 1692 and 1695, about a third of which regard the then novel trade in equity options (p.9). The technique had arisen in the 1620s in the commodity market and was proving very useful in the decade following the Glorious Revolution, when some 100 joint-stock companies were floated in London  (p.10). During the boom of the early 1690s, it is likely that “several thousand derivatives were transacted each year”.

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Quinn S. and Roberds W. (2006) When financial innovation’s good for the economy

August 18, 2009

Quinn, Stephen and Willam Roberds (2006) “An Economic Explanation of the Early Bank of Amsterdam, Debasement, Bills of Exchange and the Emergence of the First Central Bank”, Federal Bank of Atlanta. Working Papers Series, 13: 50p.*

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This paper is available online.


The United Provinces suffered from what Adam Smith termed the “small state” problem: it was awash in foreign coin and had little control over their quality, thus suffered from their constant debasement (p.1). Debtors always have an incentive to pay their due with debased coins. But this practice is only viable if the seigniorage he pays to the mint is lower than the amount of silver he saves in the operation. De facto, there is collusion between the mint and the debtor against the creditor (p.4). Read the rest of this entry »