¡@
²Ä11³¹§@·~(3¡B5¡B6¡B9ÃD)¤§¸É¥R»¡©ú»P´£¥Ü(Hints)
¡@
¥»¶g¥æ²Ä 11 ³¹ Problems ²Ä 3¡B5¡B6¡B9 ÃD¡C
¡@
ª`·N¡G(1) ¥»³¹§@·~©Ò¦³pºâ³£ºâ¨ì¤p¼ÆÂI¥H¤U²Ä 2 ¦ì¡C
(2) ²Ä 5 ÃD (b) ²Ä 5¡B6 ¦æ¤å¦r§ï¥¿¦p¤U :
" ...
compute the new steady-state
growth rate of
income. What does this new steady-state
growth
(3) ²Ä 6 ÃD (c) ²Ä 5 ¦æ¤å¦rµy§ï¦p¤U :
" ... of the simple Solow growth model¡H Does the text ... "
¡@
´£¥Ü(Hints)
¡@
¦³Ãö²Ä 3 ÃD (a)(b)
¥»ÃD¥H½Ò¥» p. 388 (11.10) ¦¡¨Ó°µ¹Bºâ¡Cpºâ«Ü²³æ¡A¦ýnª`·N¯àÁA¸Ñ¨ä¸gÀÙ²[·N¡C
¡@
¦³Ãö²Ä 3 ÃD (c)
ª`·N steady - state growth ªºì©l¸ûÄYÂÔ±ø¥ó¬O n = y = k¡C¦b " neutral " type of technological change ¤U¡A¤ñ¸û¡u ÃP¡v(general) ªº±ø¥ó«h¬O y = k §Y¥i¡C¦¹®É Y / K ºû«ù¤£ÅÜ¡C
¡@
¦³Ãö²Ä 5 ÃD (a)
" ... what part of the total growth is accounted for by autonomous growth factors¡H " §Y¬On±zºâ¥X autonomous growth factor ªº¦¨ªø²v¡A a ¡C
¡@
¦³Ãö²Ä 5 ÃD (b)
¦b¤½¦¡ùتº n ¬O«ü¡u´N·~³Ò°Ê¤O¡vªº¦¨ªø²v¡C´N¾ãÓ¸gÀÙªÀ·|¡Ay n¥Î¨Óºû«ù n ªº¥Í¬¡¤ô·Ç¥~¡AÁÙ±o¥Î¨Ó "pay the higher medical care costs associated with the retirement of the baby boomers"¡A¦Ó³o¨Ç°h¥ð¤U¨Óªº baby boomers ¬O¤£§t¦b n ùرªº¤H¤f¡C ¦]¦¹¥»ÃDn±z«ä¦Ò¡G y Y¦³¤U°¡A«h·|¼vÅT¨ä "ability of the country to pay the higher medical costs associated with the retirement of the baby boomers"¡C
¡@
¦³Ãö²Ä 5 ÃD (c)
"What would have to happen to the savings rate" ¥u»Ý»¡©ú savings rate Åܰʪº¤è¦V¡C
¡@
¦³Ãö²Ä 6 ÃD
Net investment I = £GK ¡C¦]¦¹ÃD¥Øµ¹¤© K »P net investment ¼Æ¦r®É¡A¨Æ¹ê¤W¬Oµ¹¤© k = £GK / K ¡C¦³¤F k, «K¥i¶i¦æ (a)(b) ªº¹Bºâ¡C
¡@
¦³Ãö 6(b)¡G¥Ø«e investment ¬O 120¡An¯à¹F¨ì¥Ø¼Ð¡A¥²¶·Åý§ë¸ê¼W¥[¦h¤Ö percentage¡H
¡@
¦³Ãö 6(c)¡A°²©w¬F©²¬Fµ¦¤w¦¨¥\´£¤É net investment ¨ì¬Y¤@¤ô·Ç¡A¦Ó¦³¤@Ó saving rate¡C¦b¦¹ saving rate (s) ¤U¡A the economy ·|¹F¨ì«ç¼Ëªº steady state according to the implications of the simple Solow growth model¡H¦Ó½Ò¥»»{¬°³o¼Ëªºµ²½×¬O§_¾A¥Î©ó¡u¹ê»Ú¥@¬É¡v¡H ³o¬O½Ò¥» (pp. 386-387) ¦³Ãö "Effects of a Higher Saving Rate" ªº°Q½×¡C
¡@
¦³Ãö²Ä 9 ÃD
½Ò°ó¤W¤w¥Îì©l²³æªº production function ¨D¥X capital share¡C²{¦b capital ¤À¶}¦¨ physical »P human capital¡C¦P¼Ë¤èªk¥i¨D¥X the shares of both physical and human capital in GDP¡C