Benchmark and counterfactual labour supply grow at compound annual growth rates derived from population data for the two regions from 1966 to 2011. The ROI annual population growth rate is 1.05%, while in NI it is 0.45%. Capital in both regions accumulates at a rate derived from an internal-rate of return, a depreciation rate and initial capital stock and investment levels.
2.1.1 Scenario “Brexit_TR” In the decomposition scenario “Brexit_TR”, we have implemented the WTO tariffs based on the work done by Ottaviano, Pessoa, and Sampson ( 2014). Table 2-2 shows the tariffs and NTBs according to the sectoral aggregation of the NIROI model.
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