资本结构动态调整模型中,nl执行命令是总报错
st ambiguous abbreviation
error #111 occurred in program nl2
replce命令如下,请各位大神看看哪里出了问题啊?
replace Lev_star = $a_si*si+$a_pr*pr+$a_gr*gr+$a_li*li+$a_st*st+$a_nd*nd+$a_0
replace alpha = $b_si*si+$b_pr*pr+$b_gr*gr+$b_di*di+$b_0;