The resource constraint c,+k+l=(l+A-δ)k,→ G=0-0+A-k→1-知= k+1=s(1+A-δ)k k,y To ensure perpetual growth,we thus need B(1+A-6)>1orA-6>p Otherwise,the economy would shrink at a constant rate to 0 电子科大经管学院马捷电子科大经管学院 马捷 4 at a constant rate to 0 Otherwise,the economy would shrink (1 ) 1or To ensure perpetual growth, we thus need (1 ) (1 )(1 ) The resource constraint (1 ) 1 1 1 1 1                                  A A y y k k c c k s A k c s A k c k A k t t t t t t t t t t t t t