(As much detail as possible, 550 words, avoid complex words)

"Family-controlled businesses are a dominant feature of the Canadian economy. It is estimated that 90% of all Canadian companies, large and small, are family-owned. Some of the very large family-controlled companies such as the Loblaw Companies, Power Corp., and Husky Oil have gone public. Others - such as the Jim Pattison Group and McCain Foods Ltd. - remain private. What are the advantages and disadvantages of going public? What are the advantages and disadvantages of remaining private?"