Increases in value occur practically only with a few, anyway already high-priced limited editions; the broad market is not affected by this. Collectors warn of an oversaturation through ever more and ever more expensive special models in ever smaller editions, since potential collectors are thereby discouraged from building up a sensible collection; Omas and in part Montblanc are mentioned as examples of risky brand policy. Speculative buyers and dealers can distort the market, but a parallel functioning lovers' market remains realistic. The article cited is criticised in content as superficial, e.g. through the mixing of Writers Editions and Patron of the Arts; brand emphasis appears editorially arbitrary. Writing instruments should be bought primarily out of joy in the object and in writing, not as an investment.