id	keyword
american_scientific_journal-4448	ref
american_scientific_journal-4448	insurance
american_scientific_journal-4448	efficiency
american_scientific_journal-4448	insurance companies
american_scientific_journal-4448	output
american_scientific_journal-4448	dea
american_scientific_journal-4448	dmu:1
american_scientific_journal-4448	research
american_scientific_journal-4448	scale
american_scientific_journal-4448	expense
american_scientific_journal-4448	company
american_scientific_journal-4448	primium
american_scientific_journal-4448	islack
american_scientific_journal-4448	nprofit
american_scientific_journal-4448	totalasset
american_scientific_journal-4448	study
american_scientific_journal-4448	analysis
american_scientific_journal-4448	ort(out