Elm wood is generally more expensive than oak and pear wood. This is due to several factors, including the rarity of certain elm species, the demand for elm in high-quality furniture and construction, and the challenges associated with its growth and harvesting.

Elm trees, particularly the American Elm (Ulmus americana), are known for their durability and strength. However, they are also susceptible to Dutch Elm Disease, which has led to a significant decline in their population. The scarcity of healthy elm trees has driven up their price. Additionally, elm wood is highly valued for its fine grain and workability, making it a preferred choice for high-end furniture and veneers.

Oak wood, on the other hand, is more abundant and widely available. It is a popular choice for furniture, flooring, and construction due to its strength, durability, and aesthetic appeal. While oak is more affordable than elm, certain types of oak, such as quartersawn white oak, can be quite expensive due to their tight grain and limited availability.

Pear wood is the least expensive of the three. It is often used in less demanding applications, such as furniture parts and cabinetry. Pear wood is known for its softness and pleasant aroma, but it lacks the strength and durability of elm and oak. The lower cost of pear wood is primarily due to its abundance and the lower demand for it in high-quality applications.

According to a report by the U.S. Forest Service, the average price per board foot for elm wood in 2020 was approximately $7.50, compared to $5.00 for white oak and $3.50 for red oak. Pear wood, however, was significantly cheaper, with an average price of around $2.00 per board foot. These prices reflect the general trend of elm being more expensive than oak and pear wood.

In conclusion, elm wood is typically more expensive than oak and pear wood due to its rarity, high demand, and superior qualities. While oak is more abundant and affordable, pear wood remains the least expensive option due to its abundance and lower demand for high-quality applications.