"worthwhile alternative" is a correct and usable phrase in written English.
It can be used when expressing a suggestion or option that is considered to be valuable, beneficial, or advantageous compared to others. Example: Instead of spending a lot of money on a new phone, you could consider repairing your old one. It could be a worthwhile alternative and save you some money.
Lan (0800 977 6100; lan.com) is a worthwhile alternative, with better service than Iberia.
Meanwhile, politicians of all sides are urging prospective students and their parents to see apprenticeships as a worthwhile alternative to now more costly university experience.
DR/DSM programs represent a worthwhile alternative to the option of building new power facilities.
If Netvibes is getting old and you're tired of looking at your desktop to find all your favorite apps, Schmedley might be a worthwhile alternative.
It is the downside protection that makes convertible preferreds a worthwhile alternative to buying the common stock assuming the stock pays little or no dividends.
For many applications, local time stepping offers an interesting and worthwhile alternative to the by now well established global time step control.
Finally, we also challenge the polymer electrolyte community to actually synthesize and test some new computer constructed salts that, judging from the current approach and results, seem to be worthwhile alternatives for neat salt/polymer systems.
Scrooge still holds a monopoly on holiday theater, but worthwhile alternatives to "A Christmas Carol" have been cropping up of late.
Therefore, it is worthwhile exploring alternative frameworks, such as robust optimization, for application to the portfolio selection problem.
I fear that this latest plan will drain the energies of the left in social policy and will divert attention from so many other worthwhile policy alternatives: the living wage, boosting trade unionism, free childcare, radical changes in housing policy, policies to reduce working time to limit turbo-consumption, green investment and so on.
It is therefore worthwhile to investigate alternative and complementary methods.
