We explore the interaction of the informal sector with the formal economy for a developing economy, that is, Pakistan. Estimation results are obtained via autoregressive distributed lag (ARDL) bounds testing approach, which show a significantly positive effect of the informal sector in the long run whereas a negative impact of informal sector is found in the short run. We also present dynamic simulations to show the effect/contribution in terms of revised GDP per capita if the informal sector is accounted for in official statistics. The novelty of results is the varying effects of the informal sector across two time horizons that can have serious policy implications for developing and transition economies with large informal sectors. Although, the findings of this article enrich our understanding on the behaviour of the informal sector, they further fuel the debate associated with eradication of the informal sector. Efforts to curb informal activities may burden the low-skilled workforce in this sector and increase corruption opportunities in bureaucracy in the absence of institutional reforms. On the contrary, it makes the formal sector policy design and implementation a challenging task.
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