He stands to realize a big tax advantage if he keeps Sears alive by using the company’s years of net operating losses to offset future taxable income if one of his other companies takes it over, says David Tawil, president and co-founder of Maglan Capital, which follows distressed companies. Tawil and others also think Lampert wants to buy the company so he, as the only shareholder, can then control liquidation of the remaining assets.