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4.1. Regression analysis
The OLS function that was used to assess the impact of EU enlargement on agriculture sector of Britain was as follows.

After conducting two OLS analytical tests for 2000 to 2004 and 2005 to 2010, the following were the results.
Before 2004 EU enlargement (2000-2004)…Equation II
After 2004 EU enlargement (2005-2010)…Equation III
The simple OLS results for the period before the EU enlargement in 2004 indicated that international immigrant stock had no impact on the agricultural sector. The co- efficient of determination was zero indicating that international immigrant stock had no influence on the crop production index (agricultural sector productivity). The assumption that was held in this case was that crop production index represented the productivity of Britain and the international stock of population represented openness to international labor market. According to diverse literatures such as Csáki & Jámbor (2010), Csáki & Jámbor (2009) and Dobson (2009), one of the impact areas of EU enlargement in 2004 was immigration and consequently factor market as illustrated in figure 1 in literature review.
The results in equation II (before the enlargement) are therefore correct as far as this study is concerned. During this period it is expected that there are low stock of immigrants and hence labor supply is relative low than demand (Dobson, 2009). Consequently, productivity in crop and food would be low. The results obtained in the study are true as supported in graph 1 below. Graph 1 indicates that just before 2004, the trend of crop and livestock production index were declining.

Graph 1: Trend of crop and livestock production index
However, the second period of analysis indicated that EU enlargeme...

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...e. This has also been found to be true based on the findings of this research.
Therefore, the research objectives have been answered reliably and topical question “Was the impact of EU enlargement of 2004 on Britain agriculture positive or negative? It was positive as observed from co-efficient arrived at in the analysis.
5.2. Future research and recommendation
Further research should be conducted with diverse possibilities such as conducting cross-sectional and comparative analysis focusing on many developed countries. Additionally, more factors relating to international relations and bilateral, multilateral relationships should be considered and not just a single sector.
5.3. Learning statement
The skills that have been learnt in this exercise include report compilation and communication skills, time management and effective search of data and sequent analysis.

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