I knew what the Equity Office portfolio was worth. And I knew we were undervalued by Wall Street. Every quarter, the management team would do an in-d… - Sam Zell

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I knew what the Equity Office portfolio was worth. And I knew we were undervalued by Wall Street. Every quarter, the management team would do an in-depth analysis of every asset in the portfolio to develop a real-time valuation. The most reliable measure of our buildings’ value remained — and had always been, in my opinion — replacement cost. Replacement cost mattered more to me than rents or comparable prices or vacancies or economic growth or stock price. This was because replacement cost determined the price of future competition.