JoyfulFamily's blog
One argument against polygyny is that men and women are born in roughly equal numbers, so allowing some men to have multiple wives necessarily leaves other men without wives. But that assumes every man is equally entitled to a wife simply because he exists. There is nothing particularly biblical about that assumption. Scripture repeatedly places obligations on men: provide for their households, exercise self-control, work diligently, protect their families, love their wives sacrificially, teach their children, remain faithful to God, and develop wisdom and good character. A woman seeking a husband isn’t obligated to choose an irresponsible or ungodly man merely because the numbers supposedly need to balance.
That’s where polygyny changes the incentives. Imagine a community with 100 marriage-minded women and 100 marriage-minded men, but only 60 of those men are responsible, industrious, faithful, and prepared to lead and provide for families. Strict monogamy effectively reserves 40 women for the other 40 men if everyone is expected to pair off.
Polygyny removes that protection. A woman can instead say, “I’d rather share a proven righteous husband than have an irresponsible husband entirely to myself.” Whether most women would actually make that choice isn’t the point. The fact that they can make it changes the incentives for everyone.
Now put yourself in the shoes of the mediocre man. Under enforced monogamy, demographic scarcity works in his favor. If every successful man is removed from the marriage market after marrying one woman, eventually women’s alternatives narrow. But under polygyny, the successful man doesn’t necessarily disappear from the market. Suddenly being male isn’t enough. You have to become the kind of man a woman would actually choose when she has alternatives.
That creates competition, and competition is generally very good at changing behavior. If the man down the road is more disciplined, works harder, treats his family better, knows Scripture better, manages his resources better, controls his temper, stays physically capable, raises good children, and has earned the respect of his household, complaining that he has “too many wives” doesn’t make you more attractive. Becoming a better man does.
It’s similar to the free market. Competition doesn’t guarantee that every business gets customers. That’s precisely why it works. If customers are guaranteed regardless of quality, there is less incentive to improve the product. When customers are free to choose among competing alternatives, producers have to provide something people actually value. The result isn’t perfect, but competition creates enormous pressure toward competence, innovation, efficiency, and accountability.
Marriage has some of the same dynamics. If every man is effectively guaranteed access to the marriage market because successful men are permitted to marry only one woman, the weakest men receive an artificial advantage. Remove that restriction and women gain bargaining power. Men must compete through character, competence, provision, faithfulness, leadership, and reputation. A man who wants a family has a powerful reason to raise his game.
And importantly, biblical polygyny doesn’t mean assigning women to wealthy or powerful men. It means allowing women to choose. Abraham, Jacob, David, and other biblical patriarchs demonstrate that Scripture simply does not treat one wife per man as an inviolable mathematical distribution rule. Nor does Scripture teach that every man is owed a wife. A man’s desire for marriage does not create an obligation for some woman to marry him.
There is another side to this that often gets overlooked: polygyny can expand the pool of desirable husbands available to women. If there are more faithful, responsible women seeking marriage than faithful, responsible men prepared for it, strict monogamy guarantees that some women must either remain unmarried or lower their standards. Polygyny provides a third option: marry a righteous man who is already married. No woman has to choose that arrangement, but neither is she prohibited from choosing it simply to preserve another man’s opportunity to obtain a wife.
That turns the usual objection upside down. “But some men won’t get wives” isn’t necessarily an argument against polygyny. It may describe one of its strongest incentive effects. Men who cannot attract wives have a reason to examine themselves, develop useful skills, become disciplined, work harder, become dependable providers, deepen their faith, and build the kind of character women actually want in husbands.
Competition isn’t cruelty. Competition is information. It tells us where we need to improve.
Perhaps a healthy marriage culture shouldn’t be designed around making sure every man gets a woman. Perhaps it should be designed around giving women genuine freedom to choose righteous husbands while giving men powerful incentives to become worthy of being chosen.
In that sense, polygyny doesn’t lower the standard for men. It removes the safety net beneath mediocre ones.
That’s where polygyny changes the incentives. Imagine a community with 100 marriage-minded women and 100 marriage-minded men, but only 60 of those men are responsible, industrious, faithful, and prepared to lead and provide for families. Strict monogamy effectively reserves 40 women for the other 40 men if everyone is expected to pair off.
Polygyny removes that protection. A woman can instead say, “I’d rather share a proven righteous husband than have an irresponsible husband entirely to myself.” Whether most women would actually make that choice isn’t the point. The fact that they can make it changes the incentives for everyone.
Now put yourself in the shoes of the mediocre man. Under enforced monogamy, demographic scarcity works in his favor. If every successful man is removed from the marriage market after marrying one woman, eventually women’s alternatives narrow. But under polygyny, the successful man doesn’t necessarily disappear from the market. Suddenly being male isn’t enough. You have to become the kind of man a woman would actually choose when she has alternatives.
That creates competition, and competition is generally very good at changing behavior. If the man down the road is more disciplined, works harder, treats his family better, knows Scripture better, manages his resources better, controls his temper, stays physically capable, raises good children, and has earned the respect of his household, complaining that he has “too many wives” doesn’t make you more attractive. Becoming a better man does.
It’s similar to the free market. Competition doesn’t guarantee that every business gets customers. That’s precisely why it works. If customers are guaranteed regardless of quality, there is less incentive to improve the product. When customers are free to choose among competing alternatives, producers have to provide something people actually value. The result isn’t perfect, but competition creates enormous pressure toward competence, innovation, efficiency, and accountability.
Marriage has some of the same dynamics. If every man is effectively guaranteed access to the marriage market because successful men are permitted to marry only one woman, the weakest men receive an artificial advantage. Remove that restriction and women gain bargaining power. Men must compete through character, competence, provision, faithfulness, leadership, and reputation. A man who wants a family has a powerful reason to raise his game.
And importantly, biblical polygyny doesn’t mean assigning women to wealthy or powerful men. It means allowing women to choose. Abraham, Jacob, David, and other biblical patriarchs demonstrate that Scripture simply does not treat one wife per man as an inviolable mathematical distribution rule. Nor does Scripture teach that every man is owed a wife. A man’s desire for marriage does not create an obligation for some woman to marry him.
There is another side to this that often gets overlooked: polygyny can expand the pool of desirable husbands available to women. If there are more faithful, responsible women seeking marriage than faithful, responsible men prepared for it, strict monogamy guarantees that some women must either remain unmarried or lower their standards. Polygyny provides a third option: marry a righteous man who is already married. No woman has to choose that arrangement, but neither is she prohibited from choosing it simply to preserve another man’s opportunity to obtain a wife.
That turns the usual objection upside down. “But some men won’t get wives” isn’t necessarily an argument against polygyny. It may describe one of its strongest incentive effects. Men who cannot attract wives have a reason to examine themselves, develop useful skills, become disciplined, work harder, become dependable providers, deepen their faith, and build the kind of character women actually want in husbands.
Competition isn’t cruelty. Competition is information. It tells us where we need to improve.
Perhaps a healthy marriage culture shouldn’t be designed around making sure every man gets a woman. Perhaps it should be designed around giving women genuine freedom to choose righteous husbands while giving men powerful incentives to become worthy of being chosen.
In that sense, polygyny doesn’t lower the standard for men. It removes the safety net beneath mediocre ones.
