A Random Forest Method for Identifying the Effectiveness of Innovation Factor Allocation

Figure 4

Marginal effect trend of important innovation factor inputs. (a) Internal innovation human resources. (b) Internal innovation material resources. (c) External innovation technology absorption. (d) External innovation technology acquisition. (e) Trade freedom. (f) Financial development. (g) Data application. (h) Data integration.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)