作业遇到了难题恳请大佬们用Stata帮忙
Generate 2,000 observations of ln(𝑍), which can be interpreted as productivity shocks and follows
normal distribution with mean 0.5 and standard deviation 1. Then, generate a firm’s cash flow,
which is 𝑋 = 𝐵𝑍 +𝑈 where 𝐵 = 0.05 and 𝑈 follows normal distribution with mean 0 and
standard deviation 0.1. 𝑈 is independent of 𝑍. Finally, generate a firm’s borrowing 𝑌 = 𝑋 +𝜖
where 𝜖 = 0.5𝑈 +0.5𝐸 and 𝐸 follows normal distribution with mean 0 and standard deviation 0.1.
𝐸 is independent of 𝑈,𝑍.
第一步就不太会感觉后面就更做不出来了


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