投資理論

每個人都有自己需要投資的理由

我要我的錢保值和增值

需求增加價格上升

建商也希望價格上升

 需求如何增加

人口增加

全美總人口

Historical populations
Census	Pop.		%±
1790	3,929,214		—
1800	5,236,631		33.3%
1810	7,239,881		38.3%
1820	9,638,453		33.1%
1830	12,866,020		33.5%
1840	17,069,453		32.7%
1850	23,191,876		35.9%
1860	31,443,321		35.6%
1870	38,558,371		22.6%
1880	49,371,340		28.0%
1890	62,979,766		27.6%
1900	76,212,168		21.0%
1910	92,228,496		21.0%
1920	106,021,537		15.0%
1930	123,202,624		16.2%
1940	132,164,569		7.3%
1950	151,325,798		14.5%
1960	179,323,175		18.5%
1970	203,211,926		13.3%
1980	226,545,805		11.5%
1990	248,709,873		9.8%
2000	281,421,906		13.2%
2010	308,745,538		9.7%

Source: http://en.wikipedia.org/wiki/Demographics_of_the_United_States


Metro Phoenix populations

Historical populations
Census	Pop.		%±
1960	726,183		—
1970	1,039,807		43.2%
1980	1,599,970		53.9%
1990	2,238,480		39.9%
2000	3,251,876		45.3%
2010	4,192,887		28.9%
Est. 2011	4,263,236		1.7%

Source: http://en.wikipedia.org/wiki/Phoenix_metropolitan_area


City of Phoenix populations

Historical populations
Census	Pop.		%±
1870	240		—
1880	1,708		611.7%
1890	3,152		84.5%
1900	5,544		75.9%
1910	11,314		104.1%
1920	29,053		156.8%
1930	48,118		65.6%
1940	65,414		35.9%
1950	106,818		63.3%
1960	439,170		311.1%
1970	581,572		32.4%
1980	789,704		35.8%
1990	983,403		24.5%
2000	1,321,045		34.3%
2010	1,445,632		9.4%
Est. 2011	1,469,471		1.6%

Source: http://en.wikipedia.org/wiki/Phoenix,_Arizona




City of Chandler populations

Historical populations
Census	Pop.		%±
1930	1,378		—
1940	1,239		−10.1%
1950	3,799		206.6%
1960	9,531		150.9%
1970	13,763		44.4%
1980	29,673		115.6%
1990	89,862		202.8%
2000	176,581		96.5%
2010	236,123		33.7%

Source: http://en.wikipedia.org/wiki/Chandler,_Arizona



City of Gilbert populations

Historical populations
Census	Pop.		%±
1920	865		—
1930	791		−8.6%
1940	837		5.8%
1950	1,114		33.1%
1960	1,833		64.5%
1970	1,971		7.5%
1980	5,717		190.1%
1990	29,188		410.5%
2000	109,697		275.8%
2010	208,453		90.0%
Est. 2011	211,951		1.7%

Source: http://en.wikipedia.org/wiki/Gilbert,_Arizona



City of Mesa populations

Historical populations
Census	Pop.		%±
1900	722		—
1910	1,692		134.3%
1920	3,036		79.4%
1930	3,711		22.2%
1940	7,224		94.7%
1950	16,790		132.4%
1960	33,772		101.1%
1970	63,049		86.7%
1980	152,404		141.7%
1990	288,104		89.0%
2000	396,375		37.6%
2010	439,041		10.8%

Source: http://en.wikipedia.org/wiki/Mesa,_Arizona


City of Scottsdale population

Historical populations
Census	Pop.		%±
1930	1,047		—
1940	2,761		163.7%
1950	2,032		−26.4%
1960	10,026		393.4%
1970	67,823		576.5%
1980	88,622		30.7%
1990	130,075		46.8%
2000	202,705		55.8%
2010	217,385		7.2%

Source: http://en.wikipedia.org/wiki/Scottsdale,_Arizona