In an effort to stimulate economic growth, the government of Country X has implemented a series of fiscal policies aimed at increasing public investment in infrastructure. These policies include tax incentives for private companies to participate in public-private partnerships (PPPs), increased government spending on transportation networks, and subsidies for renewable energy projects. Despite these initiatives, economists observe that the growth rate of GDP in Country X remains sluggish in comparison to its neighboring countries, which have adopted similar strategies.
Given these circumstances, which of the following statements best describes a potential limitation of Country X's government policies on economic growth?