public Auction(string name)
 {
     Name = name;
     _series = new List<Series>();
     _sellers = new List<Seller>();
     _buyers = new List<Buyer>();
     Settings = new AuctionSettings();
 }
        public Auction()
        {
            _bids = new List<Bid>();
            _lots = new List<Lot>();
            _sales = new List<Sale>();
            _series = new List<Series>();
            _categories = new List<Category>();
            _sellers = new List<Seller>();
            _buyers = new List<Buyer>();

            Settings = new AuctionSettings();
            ActiveBuyersBehavior = new SummarySalesBehavior();
        }
 public Series(string name)
 {
     Name = name;
     _sales = new List<Sale>();
     Settings = new AuctionSettings();
 }