The Holy Grail of Macroeconomics

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Japan's "Great Recession" lasted from approximately 1992 - 2007 and finally provided the economics profession with the necessary background to understand what actually happened during the US recession of the 1930s. The discoveries made, however, are so far-reaching that a large portion of economics literature will have to be modified to accommodate another half to the m...

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Japan's "Great Recession" lasted from approximately 1992 - 2007 and finally provided the economics profession with the necessary background to understand what actually happened during the US recession of the 1930s. The discoveries made, however, are so far-reaching that a large portion of economics literature will have to be modified to accommodate another half to the macro economic spectrum of possibilities that conventional theorists have overlooked. In particular, Japan's Great Recession showed that when faced with a massive fall in asset prices, companies typically jettison the conventional goal of profit maximization and move to minimize debt in order to restore their credit ratings. This shift in corporate priority, however, has huge theoretical as well as practical implications and opens up a whole new field of study. For example, the new insight can explain fully the precise mechanism of prolonged depression and liquidity trap which conventional economics - based on corporate profit maximization - has so far failed to offer as a convincing explanation. The author developed the idea of yin and yang business cycles where the conventional world of profit maximization is the yang and the world of balance sheet recession, where companies are minimizing debt, is the yin. Once so divided, many varied theories developed in macro economics since the 1930s can be nicely categorized into a single comprehensive theory, i.e., the Holy Grail of macro economics The policy implication of this new discovery is immense in that the conventional aversion to fiscal policy in favor of monetary policy will have to be completely reversed when the economy is in the yin phase. The theoretical implications are also immense in the sense that the economics profession will no longer have to rely so much on various rigidities to explain recessions that have become the standard practice within the so-called New Keynesian economics of the last twenty years.

辜朝明 野村综合研究所首席经济学家，被日本资本和金融市场人士选为最受信赖的经济学家之一，并为日本历届首相就如何应对日本经济与银行问题提供咨询。进入野村证券之前，他作为经济学家任职于纽约联邦储备银行，获得过美国联邦储备委员会理事会博士会员的荣誉。他著述良多，同时也是早稻田大学客座教授，2001年被美国商业经济学会授予艾布拉姆逊奖。他同时还是“商业周刊在线”的专栏作家以及日本内阁防务战略会议的唯一一位非日本籍委员。