{"product_id":"9781557861085","title":"Portfolio Selection : Efficient Diversification of Investments by Harry M. Markowitz","description":"This is a classic book, representing the first major breakthrough in the field of modern financial theory. In effect, it created the mathematics of portfolio selection in a model which has turned out to be the indispensable building block from which the theory of the demand for risky securities is constructed.\u003cbr\u003eBinding: Hardback","brand":"Gardners","offers":[{"title":"Default Title","offer_id":56303693234549,"sku":"9781557861085","price":65.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/7193\/3106\/files\/9781557861085.jpg?v=1762794751","url":"https:\/\/backstory.london\/products\/9781557861085","provider":"Backstory","version":"1.0","type":"link"}