Figure 4.
The bar chart shows four research models. Econometrics has 2 studies. Empirical has 10 studies. Statistics has 31 studies, the highest value. Theoretical has 5 studies. The note states that the graph illustrates the distribution of research models used in the analyzed studies on innovation financing and highlights the predominance of statistical models, applied in 31 of the 48 studies. Sources Created by the authors.Distribution of research models used in innovation financing studies