Abstract-This study used a relational two-stage data envelopment analysis (DEA) to evaluate the efficiency of 23 food and beverage companies in Thailand in 2011. The whole production process of the companies can be divided into two sub-processes for analyzing the efficiency differences: production achievement and profit generation. The conclusion shows that the low efficiency score of the profit generation process leads to the low overall efficiency score of the companies.Index Terms-Food and beverage, data envelopment analysis (DEA), relational two-stage DEA, efficiency evaluation.

Abstract-This study reports the current hygiene and manufacturing practices adopted in a women's community enterprise (WCE) for processing an herbal seasoning product in Sakon Nakhon Province, Thailand. A multidisciplinary team comprised researchers and inspectors from government agencies was formed to conduct interviews and evaluations by using a good manufacturing practice (GMP) checklist. The results showed that the WCE did not pass the GMP standard. We formed an action plan to identify the requirements for GMP implementation. Non-compliance factors were delegated to each stakeholder for action and implementation. To achieve an action plan, the participation of every stakeholder is crucial.

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