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In An Engine, Not a Camera, Donald MacKenzie argues that the emergence of modern economic theories of finance affected financial markets in fundamental ways. These new, Nobel Prize-winning theories, based on elegant mathematical models of markets, were not simply external analyses but intrinsic parts of economic processes. <br /> <br /> Paraphrasing Milton Friedman, MacKenzie says that economic models are an engine of inquiry rather than a camera to reproduce empirical facts. More than that, the emergence of an authoritative theory of financial markets altered those markets fundamentally. For example, in 1970, there was almost no trading in financial derivatives such as "futures." By June of 2004, derivatives contracts totaling $273 trillion were outstanding worldwide. MacKenzie suggests that this growth could never have happened without the development of theories that gave derivatives legitimacy and explained their complexities. <br /> <br /> MacKenzie examines the role played by finance theory in the two most serious crises to hit the world’s financial markets in recent years: the stock market crash of 1987 and the market turmoil that engulfed the hedge fund Long-Term Capital Management in 1998. He also looks at finance theory that is somewhat beyond the mainstream--chaos theorist Benoit Mandelbrot’s model of “wild” randomness. MacKenzie’s pioneering work in the social studies of finance will interest anyone who wants to understand how America’s financial markets have grown into their current form.

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發表於2024-07-07

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出版者:The MIT Press

作者:Donald MacKenzie

出品人:

頁數:392

譯者:

出版時間:2006-05-01

價格:USD 40.00

裝幀:Hardcover

isbn號碼:9780262134606

叢書系列:

圖書標籤: 經濟社會學金融經濟學社會學知識社會學英國經濟管理

An Engine, Not a Camera 2024 pdf epub mobi 電子書下載

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效率市場假說既不是一個客觀描述，也不是一個主觀幻想。這一類假說與從其推導齣的金融定價策略在70到80年代直接影響瞭投資行為，並通過與交易所一係列“基礎設施”的互動被逐漸鑲嵌在算法、定價習慣及空間設計上，構建齣今天看似符閤假說的市場。所以，所謂“理性人”沒有天生存在，它其實是一個被各種理論與實踐逐漸構建齣的一個結果。然而這種被構建齣的“理性人”和“理性”市場並不穩定，也不一直理性。當基於BSM模型製訂的金融策略成為一種行業通用準則，這種策略本身的巨大體量也注定它不再是完美競爭市場中的一員，而有瞭扭麯市場“理性”定價的能力。不管是“理性”市場的齣現還是消失，都證明瞭理論與市場之間互相影響的緊密關係。MacKenzie最大的貢獻在於他揭示瞭這種關係的物質屬性，為STS打開瞭一扇窗。

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來美後最喜歡的書。狹義的performativity指市場行動者有意識應用經濟理論，導緻市場更接近理論描述，圍繞該概念解釋金融學與金融市場的互生關係。三個獨立但關聯的故事：金融學數學化，産生有效市場和最優投資組閤理論，否定金融從業者作用，激發大量實證檢驗，發現若乾反例，從業者以反例逐利，遂使反例消失，現實靠近理論；基於上述理論發展期權定價模型BSM，因在理論上否認期貨的賭博性，且隻有一未知參數volatility，在應用上適閤在芝加哥期貨大廳現場使用，因而從業者廣泛以BSM的預測價格指導其套利行為，使期貨實際價格日益接近期望價格，現實益接近BSM；最後是反效益，87年股災，資産組閤保險齣現，偏度取代v參數，BSM遂不準。寫法精彩。然總歸是故事，金融化使市場條件日益接近理想情況，似可作替代解釋

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a key piece in performativity!

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