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房产投资,这么简单的事情,为什么那些所谓专家学者搞不清(附上篇问题答案)

  • 2026-03-23 18:19:00
房产投资,这么简单的事情,为什么那些所谓专家学者搞不清(附上篇问题答案)
来测试一下您的金融数学知识这篇提出了几个小问题,这里和大家探讨一下答案。推导过程就省略了,反正也没人想看,百度一下DCF/DDM或者戈登模型之类的都有,就是等比数列/级数求和。
结论:无限期资产的回报=当期收益+该收益增速。比如茅台价格为X,股息率是2%,以后每年股息金额涨30%,那以当前价格买入的长期年化收益就是32%。如果来波超级大牛市,你以10X买入,年化收益为30.2%,和32%差不多嘛。其实就是洛必达(l'hopital)法则,求极限时高阶占主导,在平方项前面,一次项可以忽略。翻译成投资的话就类似,标的够好,买入价格不重要。现实中,显然不是这么回事:1.这是无限期增速恒定假设,显然高增长维持二十年都很难,更别说无限期了。2.即使能超长期维持高增速,过于离谱的价格也能让你等上20年30年“解套”,因为那是无限期现的平均数。买漂亮50的美国人,六千点炒股的中国人,1990年买房的日本人比较有体会。
题目1的答案就是8%,美国的房子差不多就是这样美国四十年房价涨了多少?四十年平均复合年化8%,房产的确是非常好的资产。请注意,8%的回报一半来自于租金,一半来自于房价/租金上涨,房子估值基本不动(年化1%)。分解四十年来美国房产收益 
题目2不是无限期持有,那就要考虑期现结束时资产的估值了。资产的回报=当期收益+该收益增速+估值的年化变化。A估值不变,房价=67倍的年房租,持有20年的年化收益率为5.5%;B估值腰斩,房价=33倍的年房租,收益率=1.5%+4%-3.6%=1.9%(反用rule of 72);C估值翻倍,房价=133倍的年房租,收益率=1.5%+4%+3.6%=9.1%,情形C和房产长期平均回报差不多。那么,你觉得哪种可能性更大?欢迎留言在评论区。
希望该资产未来20年能提供高收益,第一项指望不上了,太低。可以寄希望于第二项(房租高增长)和第三项(估值扩张,租金收益率继续下跌)。有人盯着通胀、M2,似乎看的东西越宏观,水平就越高。不管看什么,总还是要落实在第二项和第三项上。
第一项和估值负相关,估值越高当期回报越低。第二项和估值正相关,预期回报增速很高,估值可以高点。前几年回报低没关系,后面回报高也可以使总回报合理,比如创新药。如果当期回报很低,预期增速也不高,完全寄希望于干拔估值,这是个勇敢者的游戏。

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  1. CONNECT:[ UseTime:0.000653s ] mysql:host=127.0.0.1;port=3306;dbname=a_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000963s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000411s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000306s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000620s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000705s ]
  8. SELECT * FROM `article` WHERE `id` = 491256 LIMIT 1 [ RunTime:0.001332s ]
  9. UPDATE `article` SET `lasttime` = 1774268002 WHERE `id` = 491256 [ RunTime:0.005067s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000268s ]
  11. SELECT * FROM `article` WHERE `id` < 491256 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000559s ]
  12. SELECT * FROM `article` WHERE `id` > 491256 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000433s ]
  13. SELECT * FROM `article` WHERE `id` < 491256 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001081s ]
  14. SELECT * FROM `article` WHERE `id` < 491256 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001005s ]
  15. SELECT * FROM `article` WHERE `id` < 491256 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002584s ]
0.084898s