Gasoline prices under $2 a gallon and the lowest unemployment rates in seven years are encouraging some Statesboro shoppers this holiday season, but not all are convinced that the economy is in a genuine upturn. This report is not the result of a poll, scientific or otherwise, but of parking lot and mid-mall interviews with a few people Friday, the traditional start of the Christmas shopping season. Walking to her car with some TJ Maxx bags before noon, Jessica Pierce said she hadn't gotten up early for the sales and had missed the rush.