# 统计代写|经济统计代写Economic Statistics代考|ECN329

## 统计代写|经济统计代写Economic Statistics代考|Linking 1- to- 1 Matches to the Economic Census

Our next step is to link the BR establishments that MAMBA predicts as being franchise affiliated (i.e., external establishments that are 1-to-1 matches with a BR establishment) to the $2017 \mathrm{EC} .{ }^{13}$ This allows us to examine whether MAMBA’s predictions are consistent with whether an establishment is characterized as franchise affiliated on their EC form.

Once an external establishment is linked to the $\mathrm{BR}$, it is straightforward to link it to the EC using an internal establishment identifier. Table $7.3$ summarizes this link. The row labeled “1-to-1 Match with BR” shows that, as in table 7.2, there are approximately 57,500 web-scraped, 44,500 core Yelpqueried, and 89,000 noncore Yelp-queried establishments that MAMBA identifies as 1-to-1 matches with a BR establishment. The row labeled “Surveyed in 2017 EC” shows that approximately 52,500 (91 percent), 40,500 ( 91 percent), and 78,500 (88 percent) of these are included in the $2017 \mathrm{EC}$. Since the processing of the $2017 \mathrm{EC}$ is still ongoing, the row labeled “2017 EC Form Processed” reports the number of 1-to-1 matches that are included in the $2017 \mathrm{EC}$ whose forms have been processed-approximately 29,000 (55 percent) web-scraped, 21,500 (53 percent) core Yelp-queried, and 41,000 (52 percent) noncore Yelp-queried establishments.

For most of the remainder of the paper, we focus on these 29,000 webscraped and 62,500 Yelp-queried (21,500 core and 41,000 noncore) establishments. These are the subset of establishments that MAMBA predicts to be franchise affiliated, for whom we can also examine survey responses (or nonresponses) about their franchise status on the 2017 EC form.

## 统计代写|经济统计代写Economic Statistics代考|Evaluating Responses on the 2017 Economic Census

As noted in the previous section, we have 29,000 web-scraped, 21,500 core Yelp-queried, and 41,000 noncore Yelp-queried establishments that are both predicted to be franchise affiliated by MAMBA and have had their survey forms processed for the $2017 \mathrm{EC}$. This gives us a unique opportunity to examine whether survey responses about the establishments are consistent with MAMBA’s predictions, and if they are inconsistent, examine which is correct.

Table $7.4$ examines these responses to the 2017 EC survey form. The row titled “Franchisor or Franchisee” shows the number of establishments that respondents claim to be franchise affiliated. As the row name suggests, an establishment is classified as franchise-affiliated if the respondent claimed to be either a franchisor or franchisee on its EC survey form. We see that 21,500 (74 percent) web-scraped, 16,500 (77 percent) core Yelp-queried, and 28,500 (70 percent) noncore Yelp-queried establishments are identified as franchise affiliated by respondents, consistent with MAMBA’s prediction. Thus, for a majority of establishments, the MAMBA prediction and EC form agree that the establishment is franchise affiliated, with somewhat higher proportions for establishments affiliated with our 12 core franchises. However, the row labeled “Not Affiliated or Not Answered” shows that this leaves a substantial number of establishments – 7,400 (26 percent), 5,000 (23 percent), and 12,500 ( 30 percent) – that respondents claim not to be franchise affiliated, contradicting MAMBA’s prediction. An establishment is classified as not being franchise affiliated if the respondent either did not fill out the franchise portion of its EC survey form or did fill it out but claimed that the establishment was not franchise affiliated. Both these groups are classified as not being franchise affiliated because they would be classified as such if their EC forms were taken at face value. Overall, table $7.4$ shows that a substantial portion of establishments have conflicting information.

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## 统计代写|经济统计代写经济统计代考|评估对2017年经济普查的回应

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